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ISP Optics Infrared (IR) Dichroic Beamsplitters

See More by ISP Optics

Separate Visible Light from Infrared (3-12µm) Light
Visible Transmitting/Infrared Reflecting and Visible Reflecting/Infrared Transmitting Designs
Ideal for Combining Visible Guide Lasers with MWIR Lasers

ISP Optics Infrared (IR) Dichroic Beamsplitters are used to separate visible light from infrared light, working deeper in the infrared than conventional hot and cold mirrors. The platinum dichroic beamsplitters reflect visible light while transmitting light between 3 – 12µm and have an Anti-Reflection (AR) coating on the back surface to increase throughput. The gold dichroic beamsplitters transmit visible light while reflecting infrared light between 3 – 12µm and can be used with an AOI from 0 to 45°. ISP Optics Infrared (IR) Dichroic Beamsplitters are ideal for combining guide lasers with mid-IR laser sources, such as QCL lasers, for applications including gas detection, mid-infrared photothermal microscopy, and infrared spectroscopy.

Common Specifications

Clear Aperture (%):

Construction:

Plate

Parallelism (arcmin):

Surface Flatness (P-V):

λ/4 @ 633nm

Surface Quality:

60-40

Products

Dia. (mm)	Thickness (mm)	Substrate	Model Number	Stock Number	Price	Buy

25.40 25.40	2.00 2.00	Germanium (Ge) Germanium (Ge)	BSP-PD-25-2 BSP-PD-25-2	#25-036 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	66,120 ₹66,120 Request Quote	Contact Us ×
50.80 50.80	3.00 3.00	Germanium (Ge) Germanium (Ge)	BSP-PD-50-3 BSP-PD-50-3	#25-037 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	94,395 ₹94,395 Request Quote	Contact Us ×
25.40 25.40	2.00 2.00	N-BK7 N-BK7	BSP-DI-25-2 BSP-DI-25-2	#25-033	26,535 ₹26,535 Request Quote	Contact Us ×

Accessories

Related Products

Dichroic Longpass Filters

ISP Optics Infrared Beamsplitters

Hot and Cold Mirrors

Resources

Filter

An Introduction to Optical Coatings

Optical coatings are used to influence the transmission, reflection, or polarization properties of an optical component.

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Advantages of using engineered chalcogenide glass for color corrected, passively athermalized LWIR imaging systems

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Infrared Light

Optical Engineer Andrew Fisher explains how you can see the "invisible" light, or infrared light, from your own TV remote.

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Short Wave Infrared (SWIR)

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What are Beamsplitters?

Optical components that create two beams by splitting incident light are beamsplitters. Read more about the different types of beamsplitters at Edmund Optics.

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Introduction to Beamsplitters

Beamsplitters do exactly what their name implies: split incident light beams.

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Selecting the Right Beamsplitter

Continuing from where Part I: X-Y Setup ends, learn how to add a Z-axis to an existing X-Y configuration to achieve three degrees of freedom.

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Selecting the Right Beam Expander

Edmund Optics offers both fixed power and zoom beam expanders. Knowing which beam expander is right for your application can greatly improve system efficiency.

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What is a plate or "mirror-type" beamsplitter?

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What is a pellicle beamsplitter and when should I use it?

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I would like to split light from a circularly polarized laser source into two beams. What happens when it passes through a cube beamsplitter – both non-polarizing and polarizing?

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What is the difference between using a cube beamsplitter and a plate (mirror-type) beamsplitter?

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When you say a beamsplitter has % transmission and % reflection, is that across the entire spectrum?

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Is there such a thing as a variable density beamsplitter?

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What are some advantages of using one cube beamsplitter type compared to another?

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What are some advantages of using one plate beamsplitter type compared to another?

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What is the difference between polarizing and non-polarizing beamsplitters?

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Beamsplitter

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Cube Beamsplitter

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Dichroic Beamsplitter

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Pellicle Beamsplitter

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Advantages of Using Meniscus Lenses in Infrared Applications

Meniscus lenses offer superior performance compared to plano convex lenses in IR applications. Find out the benefits of using a meniscus lens at Edmund Optics.

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The Correct Material for Infrared (IR) Applications

Using an Infrared Application? Discover the importance of choosing the right material and comparisons of each at Edmund Optics.

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Is it okay to clean an infrared lens, for example one made of germanium, with ethanol?

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Infrared (IR) Spectrum

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UV vs. IR Grade Fused Silica

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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What is SWIR?

Have a question about short-wave infrared (SWIR)? Find definitions, application uses, and examples at Edmund Optics.

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Hyperspectral and Multispectral Imaging

Are you trying to gauge depth of field in your imaging system? Take a closer look at this article on depth of field calculations at Edmund Optics.

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Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

Hyperspectral and multispectral imaging are imaging technologies that capture information from a broader portion of the electromagnetic spectrum.

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You offer many substrates for UV and IR applications. How do I know which is best for me?

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Does the polarization of light change when it passes through a beamsplitter?

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I would like to split light from a circularly polarized laser source into two beams. What happens when it passes through a cube beamsplitter – both non-polarizing and polarizing?

View Now

Do you have C-Mount components to make an in-line illumination assembly?

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Axial Illumination

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Non-Polarizing Beamsplitter

View Now

Polarizing Beamsplitter

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Optical Glass

Choosing the right optical glass is important. Find out factors and properties on how to select the right optical glass at Edmund Optics.

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Do you have mounts for square or rectangular optics?

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Understanding Surface Quality Specifications

The surface quality of optical components the scattering off of its surface, which is especially important in laser optics applications.

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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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Parallelism

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Plate Beamsplitter

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Transmission

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How do I clean my optics?

View Now

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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Surface Quality

View Now

ISP Optics Infrared (IR) Dichroic Beamsplitters

Common Specifications

Products

Accessories

Related Products

Resources

An Introduction to Optical Coatings

Advantages of using engineered chalcogenide glass for color corrected, passively athermalized LWIR imaging systems

Infrared Light

Short Wave Infrared (SWIR)

What are Beamsplitters?

Introduction to Beamsplitters

Selecting the Right Beamsplitter

Selecting the Right Beam Expander

What is a plate or "mirror-type" beamsplitter?

What is a pellicle beamsplitter and when should I use it?

I would like to split light from a circularly polarized laser source into two beams. What happens when it passes through a cube beamsplitter – both non-polarizing and polarizing?

What is the difference between using a cube beamsplitter and a plate (mirror-type) beamsplitter?

When you say a beamsplitter has __% transmission and __% reflection, is that across the entire spectrum?

Is there such a thing as a variable density beamsplitter?

What are some advantages of using one cube beamsplitter type compared to another?

What are some advantages of using one plate beamsplitter type compared to another?

What is the difference between polarizing and non-polarizing beamsplitters?

Beamsplitter

Cube Beamsplitter

Dichroic Beamsplitter

Pellicle Beamsplitter

Advantages of Using Meniscus Lenses in Infrared Applications

The Correct Material for Infrared (IR) Applications

Is it okay to clean an infrared lens, for example one made of germanium, with ethanol?

Infrared (IR) Spectrum

UV vs. IR Grade Fused Silica

What is SWIR?

Hyperspectral and Multispectral Imaging

Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

You offer many substrates for UV and IR applications. How do I know which is best for me?

Does the polarization of light change when it passes through a beamsplitter?

I would like to split light from a circularly polarized laser source into two beams. What happens when it passes through a cube beamsplitter – both non-polarizing and polarizing?

Do you have C-Mount components to make an in-line illumination assembly?

Axial Illumination

Non-Polarizing Beamsplitter

Polarizing Beamsplitter

Optical Glass

Do you have mounts for square or rectangular optics?

Understanding Surface Quality Specifications

Removing Protective Plastic Coating

Parallelism

Plate Beamsplitter

Transmission

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

When you say a beamsplitter has % transmission and % reflection, is that across the entire spectrum?