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TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

λ/20 First Surface Mirrors

Precision Fused Silica Substrate
20-10 Surface Quality
Low Coefficient of Thermal Expansion

TECHSPEC® λ/20 First Surface Mirrors are polished to industry leading surface accuracy and quality specifications to minimize reflected wavefront error. These mirrors feature a precision fused silica substrate with a low coefficient of thermal expansion. Multiple coating options are available, allowing these mirrors to be integrated into applications spanning the visible through infrared spectra. TECHSPEC® λ/20 First Surface Mirrors are ideal for beam steering and reflection applications and are available in a variety of size, thickness, and coating options.

Note: Surface flatness is measured before coating.

Common Specifications

Back Surface:

Commercial Polish

Clear Aperture (%):

90.00

Edges:

Ground, protective bevel as needed

Parallelism (arcsec):

30.00

Substrate:

Fused Silica (Corning 7980)

Surface Quality:

20-10

Coating Type:

Metal

Products
Technical Information
Accessories
Related Products
Resources

Products

Dia. (mm)	Surface Flatness (P-V)	Dimensions (mm)	Coating Specification	Coating	Thickness (mm)	Stock Number	Price	Buy

10.00 10.00	λ/20 λ/20	- -	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	2.00 2.00	#34-354	9,731 ₹9,731 Qty 6+ ₹7,707 Request Quote	10 to 12 days ×
10.00 10.00	λ/20 λ/20	- -	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	2.00 2.00	#34-370	11,989 ₹11,989 Qty 6+ ₹9,653 Request Quote	10 to 12 days ×
10.00 10.00	λ/20 λ/20	- -	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	2.00 2.00	#34-386	11,600 ₹11,600 Qty 6+ ₹9,264 Request Quote	10 to 12 days ×
10.00 10.00	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	- -	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	2.00 2.00	#70-285 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	9,731 ₹9,731 Qty 6+ ₹7,785 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	10.0 x 10.0 10.0 x 10.0	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	2.00 2.00	#34-355	9,731 ₹9,731 Qty 6+ ₹7,707 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	10.0 x 10.0 10.0 x 10.0	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	2.00 2.00	#34-371	11,989 ₹11,989 Qty 6+ ₹9,653 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	10.0 x 10.0 10.0 x 10.0	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	2.00 2.00	#34-387	11,600 ₹11,600 Qty 6+ ₹9,264 Request Quote	Contact Us ×
- -	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	10.00 x 10.00 10.00 x 10.00	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	2.00 2.00	#70-286 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	9,731 ₹9,731 Qty 6+ ₹7,785 Request Quote	10 to 12 days ×
15.00 15.00	λ/20 λ/20	- -	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	3.00 3.00	#34-356	10,276 ₹10,276 Qty 6+ ₹8,252 Request Quote	10 to 12 days ×
15.00 15.00	λ/20 λ/20	- -	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	3.00 3.00	#34-372	13,157 ₹13,157 Qty 6+ ₹10,510 Request Quote	10 to 12 days ×
15.00 15.00	λ/20 λ/20	- -	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	3.00 3.00	#34-388	11,989 ₹11,989 Qty 6+ ₹9,653 Request Quote	10 to 12 days ×
15.00 15.00	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	- -	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	3.00 3.00	#70-287 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	10,276 ₹10,276 Qty 6+ ₹8,252 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	15.0 x 15.0 15.0 x 15.0	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	3.00 3.00	#34-357	10,276 ₹10,276 Qty 6+ ₹8,252 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	15.0 x 15.0 15.0 x 15.0	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	3.00 3.00	#34-373	13,157 ₹13,157 Qty 6+ ₹10,510 Request Quote	Contact Us ×
- -	λ/20 λ/20	15.0 x 15.0 15.0 x 15.0	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	3.00 3.00	#34-389	11,989 ₹11,989 Qty 6+ ₹9,653 Request Quote	Contact Us ×
- -	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	15.00 x 15.00 15.00 x 15.00	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	3.00 3.00	#70-288 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	10,276 ₹10,276 Qty 6+ ₹8,252 Request Quote	10 to 12 days ×
20.00 20.00	λ/20 λ/20	- -	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	3.00 3.00	#34-358	11,210 ₹11,210 Qty 6+ ₹8,953 Request Quote	Contact Us ×
20.00 20.00	λ/20 λ/20	- -	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	3.00 3.00	#34-374	13,702 ₹13,702 Qty 6+ ₹10,977 Request Quote	Contact Us ×
20.00 20.00	λ/20 λ/20	- -	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	3.00 3.00	#34-390	13,312 ₹13,312 Qty 6+ ₹10,665 Request Quote	10 to 12 days ×
20.00 20.00	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	- -	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	3.00 3.00	#70-289 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	11,210 ₹11,210 Qty 6+ ₹8,953 Request Quote	Contact Us ×
- -	λ/20 λ/20	20.0 x 20.0 20.0 x 20.0	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	3.00 3.00	#34-359	11,210 ₹11,210 Qty 6+ ₹8,953 Request Quote	Contact Us ×
- -	λ/20 λ/20	20.0 x 20.0 20.0 x 20.0	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	3.00 3.00	#34-375	13,702 ₹13,702 Qty 6+ ₹10,977 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	20.0 x 20.0 20.0 x 20.0	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	3.00 3.00	#34-391	13,312 ₹13,312 Qty 6+ ₹10,665 Request Quote	10 to 12 days ×
- -	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	20.00 x 20.00 20.00 x 20.00	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	3.00 3.00	#70-290 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	11,210 ₹11,210 Qty 6+ ₹8,953 Request Quote	10 to 12 days ×
25.00 25.00	λ/20 λ/20	- -	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	4.00 4.00	#34-360	11,600 ₹11,600 Qty 6+ ₹9,264 Request Quote	10 to 12 days ×
25.00 25.00	λ/20 λ/20	- -	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	4.00 4.00	#34-376	17,205 ₹17,205 Qty 6+ ₹13,741 Request Quote	Contact Us ×
25.00 25.00	λ/20 λ/20	- -	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	4.00 4.00	#34-392	14,869 ₹14,869 Qty 6+ ₹11,872 Request Quote	Contact Us ×
25.00 25.00	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	- -	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	4.00 4.00	#70-291 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	11,600 ₹11,600 Qty 6+ ₹9,264 Request Quote	Contact Us ×
- -	λ/20 λ/20	25.0 x 25.0 25.0 x 25.0	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	4.00 4.00	#34-361	11,600 ₹11,600 Qty 6+ ₹9,264 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	25.0 x 25.0 25.0 x 25.0	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	4.00 4.00	#34-377	17,205 ₹17,205 Qty 6+ ₹13,741 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	25.0 x 25.0 25.0 x 25.0	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	4.00 4.00	#34-393	14,869 ₹14,869 Qty 6+ ₹11,872 Request Quote	10 to 12 days ×
- -	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	25.00 x 25.00 25.00 x 25.00	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	4.00 4.00	#70-292 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	11,600 ₹11,600 Qty 6+ ₹9,264 Request Quote	10 to 12 days ×
30.00 30.00	λ/20 λ/20	- -	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	5.00 5.00	#34-362	15,259 ₹15,259 Qty 6+ ₹12,222 Request Quote	10 to 12 days ×
30.00 30.00	λ/20 λ/20	- -	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	5.00 5.00	#34-378	20,475 ₹20,475 Qty 6+ ₹16,310 Request Quote	10 to 12 days ×
30.00 30.00	λ/20 λ/20	- -	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	5.00 5.00	#34-394	16,971 ₹16,971 Qty 6+ ₹13,585 Request Quote	10 to 12 days ×
30.00 30.00	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	- -	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	5.00 5.00	#70-293 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	15,259 ₹15,259 Qty 6+ ₹12,222 Request Quote	Contact Us ×
- -	λ/20 λ/20	30.0 x 30.0 30.0 x 30.0	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	5.00 5.00	#34-363	15,259 ₹15,259 Qty 6+ ₹12,222 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	30.0 x 30.0 30.0 x 30.0	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	5.00 5.00	#34-379	20,475 ₹20,475 Qty 6+ ₹16,310 Request Quote	Contact Us ×
- -	λ/20 λ/20	30.0 x 30.0 30.0 x 30.0	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	5.00 5.00	#34-395	16,971 ₹16,971 Qty 6+ ₹13,585 Request Quote	Contact Us ×
- -	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	30.00 x 30.00 30.00 x 30.00	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	5.00 5.00	#70-294 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	15,259 ₹15,259 Qty 6+ ₹12,222 Request Quote	10 to 12 days ×
40.00 40.00	λ/20 λ/20	- -	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	5.00 5.00	#34-364	18,295 ₹18,295 Qty 6+ ₹14,597 Request Quote	Contact Us ×
40.00 40.00	λ/20 λ/20	- -	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	5.00 5.00	#34-380	24,289 ₹24,289 Qty 6+ ₹19,424 Request Quote	10 to 12 days ×
40.00 40.00	λ/20 λ/20	- -	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	5.00 5.00	#34-396	22,343 ₹22,343 Qty 6+ ₹17,867 Request Quote	Contact Us ×
40.00 40.00	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	- -	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	5.00 5.00	#70-295 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	18,295 ₹18,295 Qty 6+ ₹14,636 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	40.0 x 40.0 40.0 x 40.0	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	5.00 5.00	#34-365	18,295 ₹18,295 Qty 6+ ₹14,597 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	40.0 x 40.0 40.0 x 40.0	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	5.00 5.00	#34-381	24,289 ₹24,289 Qty 6+ ₹19,424 Request Quote	Contact Us ×
- -	λ/20 λ/20	40.0 x 40.0 40.0 x 40.0	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	5.00 5.00	#34-397	22,343 ₹22,343 Qty 6+ ₹17,867 Request Quote	10 to 12 days ×
- -	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	40.00 x 40.00 40.00 x 40.00	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	5.00 5.00	#70-296 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	18,295 ₹18,295 Qty 6+ ₹14,636 Request Quote	10 to 12 days ×
50.00 50.00	λ/20 λ/20	- -	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	5.00 5.00	#34-366	19,540 ₹19,540 Qty 6+ ₹15,648 Request Quote	Contact Us ×
50.00 50.00	λ/20 λ/20	- -	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	5.00 5.00	#34-382	27,325 ₹27,325 Qty 6+ ₹21,837 Request Quote	10 to 12 days ×
50.00 50.00	λ/20 λ/20	- -	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	5.00 5.00	#34-398	24,912 ₹24,912 Qty 6+ ₹19,930 Request Quote	10 to 12 days ×
50.00 50.00	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	- -	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	5.00 5.00	#70-297 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	19,540 ₹19,540 Qty 6+ ₹15,648 Request Quote	Contact Us ×
- -	λ/20 λ/20	50.0 x 50.0 50.0 x 50.0	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	5.00 5.00	#34-367	19,540 ₹19,540 Qty 6+ ₹15,648 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	50.0 x 50.0 50.0 x 50.0	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	5.00 5.00	#34-383	27,325 ₹27,325 Qty 6+ ₹21,837 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	50.0 x 50.0 50.0 x 50.0	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	5.00 5.00	#34-399	24,912 ₹24,912 Qty 6+ ₹19,930 Request Quote	10 to 12 days ×
- -	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	50.00 x 50.00 50.00 x 50.00	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	5.00 5.00	#70-299 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	19,540 ₹19,540 Qty 6+ ₹15,648 Request Quote	10 to 12 days ×
75.00 75.00	λ/20 λ/20	- -	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	7.50 7.50	#34-368	40,871 ₹40,871 Qty 6+ ₹32,619 Request Quote	Contact Us ×
75.00 75.00	λ/20 λ/20	- -	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	7.50 7.50	#34-384	52,938 ₹52,938 Qty 6+ ₹42,273 Request Quote	10 to 12 days ×
75.00 75.00	λ/20 λ/20	- -	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	7.50 7.50	#34-400	49,046 ₹49,046 Qty 6+ ₹39,159 Request Quote	10 to 12 days ×
75.00 75.00	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	- -	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	7.50 7.50	#70-300 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	40,871 ₹40,871 Qty 6+ ₹32,619 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	75.0 x 75.0 75.0 x 75.0	Ravg >95% @ 450 - 650nm R_avg >95% @ 450 - 650nm	Enhanced Aluminum (450-650nm) Enhanced Aluminum (450-650nm)	7.50 7.50	#34-369	40,871 ₹40,871 Qty 6+ ₹32,619 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	75.0 x 75.0 75.0 x 75.0	R_avg >96% @ 700 - 2000nm R_avg >96% @ 2000 - 10,000nm	Protected Gold (700-10000nm) Protected Gold (700-10000nm)	7.50 7.50	#34-385	52,938 ₹52,938 Qty 6+ ₹42,273 Request Quote	10 to 12 days ×
- -	λ/20 λ/20	75.0 x 75.0 75.0 x 75.0	R_avg >98% @ 450 - 2000nm R_avg >98% @ 2000 - 10,000nm	Protected Silver (450-10000nm) Protected Silver (450-10000nm)	7.50 7.50	#34-401	49,046 ₹49,046 Qty 6+ ₹39,159 Request Quote	Contact Us ×
- -	λ/20 (flatness pre-coating) λ/20 (flatness pre-coating)	75.00 x 75.00 75.00 x 75.00	R_avg >85% @ 250 - 700nm R_avg >89% @ 250 - 450nm	UV Enhanced Aluminum (250-700nm) UV Enhanced Aluminum (250-700nm)	7.50 7.50	#70-301 New New Launched on our website before appearing in our latest print catalogs. Be the first to buy before anyone else!	40,871 ₹40,871 Qty 6+ ₹32,619 Request Quote	10 to 12 days ×

Technical Information

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Precision Optical Flat Mirrors

Laser Line λ/20 High Tolerance Right Angle Mirrors

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Metallic Mirror Coatings

Want to learn more about metallic mirror coatings? Find information about standard and custom metallic mirror coatings that are available at Edmund Optics.

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Optical Mirrors Review

Mirrors are commonly used to fold or compact an optical system.

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What is the difference between a first-surface and a second-surface mirror?

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You specified a first surface mirror but you seem to have sold me a second surface mirror. What happened?

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What is a seamed edge?

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What is the difference between ¼ wave, 1/10 wave, and 1/20 wave mirrors?

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Does the polarization of light change after reflecting off a mirror?

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How do I clean my mirrors?

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How do I mount a mirror to a mirror mount that doesn't have a clamp or retainer ring?

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Angle of Incidence

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Angle of Reflection

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Cold Mirror

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Eccentricity

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Retroreflector

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What is the difference between Protected Aluminum, Enhanced Aluminum, UV Enhanced Aluminum, Protected Gold, and Protected Silver?

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How do you measure the reflectivity of mirrors with a reflectivity less than 99.5%?

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Do you have mounts for square or rectangular optics?

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First Surface Mirror

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Reflection

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Specular

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Parity

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Basic Principles of Raman Scattering and Spectroscopy

Raman spectroscopy is a technique used to identify the chemical composition of samples based on how light scatters off of them. Learn more & view related optics

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Removing Protective Plastic Coating

A protective plastic coating protects a variety of our flat optics, such as optical windows, optical mirrors, and beamsplitters, from scratches during shipping.

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Bevel

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Parallelism

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Seamed Edge

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Surface Flatness

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How do I clean my optics?

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Clear Aperture (CA)

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Edmund Optics Global Manufacturing Facilities

Edmund Optics® (EO) manufactures millions of precision optical components and subassemblies every year in our 5 global manufacturing facilities.

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Metrology at Edmund Optics: Measuring as a Key Component of Manufacturing

Learn about the metrology that Edmund Optics® uses to guarantee the quality of all optical components and assemblies.

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λ/20 First Surface Mirrors

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Metallic Mirror Coatings

Optical Mirrors Review

What is the difference between a first-surface and a second-surface mirror?

You specified a first surface mirror but you seem to have sold me a second surface mirror. What happened?

What is a seamed edge?

What is the difference between &frac14; wave, 1/10 wave, and 1/20 wave mirrors?

Does the polarization of light change after reflecting off a mirror?

How do I clean my mirrors?

How do I mount a mirror to a mirror mount that doesn't have a clamp or retainer ring?

Angle of Incidence

Angle of Reflection

Cold Mirror

Eccentricity

Retroreflector

What is the difference between Protected Aluminum, Enhanced Aluminum, UV Enhanced Aluminum, Protected Gold, and Protected Silver?

How do you measure the reflectivity of mirrors with a reflectivity less than 99.5%?

Do you have mounts for square or rectangular optics?

First Surface Mirror

Reflection

Specular

Parity

Basic Principles of Raman Scattering and Spectroscopy

Removing Protective Plastic Coating

Bevel

Parallelism

Seamed Edge

Surface Flatness

How do I clean my optics?

Clear Aperture (CA)

Edmund Optics Global Manufacturing Facilities

Metrology at Edmund Optics: Measuring as a Key Component of Manufacturing

Surface Quality

What is the difference between ¼ wave, 1/10 wave, and 1/20 wave mirrors?