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

λ/4 First Surface Mirrors

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  • Available in a Wide Range of Sizes and Shapes
  • Precision Metallic Mirror Coatings
  • Contact Us for Custom Sizes

TECHSPEC® λ/4 First Surface Mirrors feature a high reflectivity coating deposited on the front surface of the glass substrate. The coated surface should be oriented to reflect incident light. TECHSPEC λ/4 First Surface Mirrors are offered in circular, square, and rectangular dimensions. First surface mirrors are ideal for applications requiring the mirror to be mounted at 45° in order to produce a 90° bend in the light path. These first surface mirrors easily mount into a range of optical mounts to facilitate application integration. The mirrors have available coatings of enhanced aluminum, protected aluminum, protected silver, and protected gold.

Note:  A range of mounts specifically compatible with individual TECHSPEC® First Surface Mirrors can be found on product web pages.    

Common Specifications

Bevel:
Protective bevel as needed
Edges:
Fine Ground
Surface Flatness (P-V):
λ/4
Substrate:
Surface Quality:
60-40
Coating Type:
Metal

Products

Dia. (mm)  Surface Flatness (P-V)   Dimensions (mm)   Coating Specification   Coating   Thickness (mm)   Compare   Stock Number   Price  Buy
5.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
5.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
5.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
5.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
- λ/4 5.0 x 5.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
- λ/4 5.0 x 5.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
- λ/4 5.0 x 5.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
- λ/4 5.0 x 5.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
10.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
10.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
10.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
10.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
- λ/4 10.0 x 10.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
- λ/4 10.0 x 10.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
- λ/4 10.0 x 10.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
- λ/4 10.0 x 10.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
12.50 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
12.50 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
12.50 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
12.50 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
- λ/4 12.5 x 12.5 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
- λ/4 12.5 x 12.5 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
- λ/4 12.5 x 12.5 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
- λ/4 12.5 x 12.5 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
- λ/4 12.5 x 17.5 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 3.00
- λ/4 12.5 x 17.5 Ravg >89% @ 250 - 450nm Ravg >85% @ 250 - 700nm Enhanced Aluminum (250-700nm) 3.00
- λ/4 12.5 x 17.5 Ravg >96% @ 700 - 2000nm Ravg >96% @ 2000 - 10,000nm Protected Gold (700-10000nm) 3.00
- λ/4 12.5 x 17.5 Ravg >98% @ 450 - 2000nm Ravg >98% @ 2000 - 10,000nm Protected Silver (450-10000nm) 3.00
12.70 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
12.70 λ/4 - Ravg >89% @ 250 - 450nm Ravg >85% @ 250 - 700nm Enhanced Aluminum (250-700nm) 2.00
12.70 λ/4 - Ravg >96% @ 700 - 2000nm Ravg >96% @ 2000 - 10,000nm Protected Gold (700-10000nm) 2.00
12.70 λ/4 - Ravg >98% @ 450 - 2000nm Ravg >98% @ 2000 - 10,000nm Protected Silver (450-10000nm) 2.00
15.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
15.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
15.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
15.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
- λ/4 15.0 x 15.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
- λ/4 15.0 x 15.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
- λ/4 15.0 x 15.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
- λ/4 15.0 x 15.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
- λ/4 16.0 x 23.0 Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Protected Aluminum (400-2000nm) 5.00
- λ/4 16.0 x 23.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 5.00
- λ/4 16.0 x 23.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 5.00
- λ/4 16.0 x 23.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 5.00
- λ/4 16.0 x 23.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 5.00
20.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 3.00
20.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 3.00
20.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 3.00
20.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 3.00
- λ/4 20.0 x 20.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 2.00
- λ/4 20.0 x 20.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 2.00
- λ/4 20.0 x 20.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 2.00
- λ/4 20.0 x 20.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 2.00
- λ/4 21.0 x 30.0 Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Protected Aluminum (400-2000nm) 5.00
- λ/4 21.0 x 30.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 5.00
- λ/4 21.0 x 30.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 5.00
- λ/4 21.0 x 30.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 5.00
- λ/4 21.0 x 30.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 5.00
- λ/4 22.0 x 22.0 Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Protected Aluminum (400-2000nm) 5.00
- λ/4 22.0 x 22.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 5.00
- λ/4 22.0 x 22.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 5.00
- λ/4 22.0 x 22.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 5.00
- λ/4 22.0 x 22.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 5.00
25.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 3.00
25.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 3.00
25.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 3.00
25.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 3.00
- λ/4 25.0 x 35.0 Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Protected Aluminum (400-2000nm) 5.00
- λ/4 25.0 x 25.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 6.00
- λ/4 25.0 x 25.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 6.00
- λ/4 25.0 x 25.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 6.00
- λ/4 25.0 x 25.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 6.00
- λ/4 25.0 x 35.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 5.00
- λ/4 25.0 x 35.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 5.00
- λ/4 25.0 x 35.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 5.00
- λ/4 25.0 x 35.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 5.00
25.40 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 3.00
25.40 λ/4 - Ravg >89% @ 250 - 450nm Ravg >85% @ 250 - 700nm Enhanced Aluminum (250-700nm) 3.00
25.40 λ/4 - Ravg >96% @ 700 - 2000nm Ravg >96% @ 2000 - 10,000nm Protected Gold (700-10000nm) 3.00
25.40 λ/4 - Ravg >98% @ 450 - 2000nm Ravg >98% @ 2000 - 10,000nm Protected Silver (450-10000nm) 3.00
30.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 3.00
30.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 3.00
30.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 3.00
30.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 3.00
- λ/4 30.0 x 30.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 5.00
- λ/4 30.0 x 30.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 5.00
- λ/4 30.0 x 30.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 5.00
- λ/4 30.0 x 30.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 5.00
- λ/4 35.0 x 50.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 5.00
- λ/4 35.0 x 50.0 Ravg >89% @ 250 - 450nm Ravg >85% @ 250 - 700nm Enhanced Aluminum (250-700nm) 5.00
- λ/4 35.0 x 50.0 Ravg >96% @ 700 - 2000nm Ravg >96% @ 2000 - 10,000nm Protected Gold (700-10000nm) 5.00
- λ/4 35.0 x 50.0 Ravg >98% @ 450 - 2000nm Ravg >98% @ 2000 - 10,000nm Protected Silver (450-10000nm) 5.00
40.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 4.00
40.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 4.00
40.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 4.00
40.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 4.00
- λ/4 40.0 x 40.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 5.00
- λ/4 40.0 x 40.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 5.00
- λ/4 40.0 x 40.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 5.00
- λ/4 40.0 x 40.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 5.00
50.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 4.00
50.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 4.00
50.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 4.00
50.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 4.00
- λ/4 50.0 x 50.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 10.00
- λ/4 50.0 x 50.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 10.00
- λ/4 50.0 x 50.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 10.00
- λ/4 50.0 x 50.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 10.00
50.80 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 4.00
50.80 λ/4 - Ravg >89% @ 250 - 450nm Ravg >85% @ 250 - 700nm Enhanced Aluminum (250-700nm) 4.00
50.80 λ/4 - Ravg >96% @ 700 - 2000nm Ravg >96% @ 2000 - 10,000nm Protected Gold (700-10000nm) 4.00
50.80 λ/4 - Ravg >98% @ 450 - 2000nm Ravg >98% @ 2000 - 10,000nm Protected Silver (450-10000nm) 4.00
51.00 λ/4 - Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Protected Aluminum (400-2000nm) 13.00
51.00 λ/4 - Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 13.00
51.00 λ/4 - Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 13.00
51.00 λ/4 - Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 13.00
51.00 λ/4 - Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 13.00
- λ/4 75.0 x 75.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 12.00
- λ/4 75.0 x 75.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 12.00
- λ/4 75.0 x 75.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 12.00
- λ/4 75.0 x 75.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 12.00
- λ/4 100.0 x 100.0 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 15.00
- λ/4 100.0 x 100.0 Ravg >89% @ 250 - 450nm
Ravg >85% @ 250 - 700nm
Enhanced Aluminum (250-700nm) 15.00
- λ/4 100.0 x 100.0 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm
Protected Gold (700-10000nm) 15.00
- λ/4 100.0 x 100.0 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Protected Silver (450-10000nm) 15.00

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