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25 x 25mm NIR Linear Polarizing Film

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Product Details

Type:
Linear Polarizer

Physical & Mechanical Properties

Length (mm):
25.00
Dimensions (mm):
25.0 x 25.0
Thickness (mm):
0.50
Thickness Tolerance (mm):
±0.1
Dimensional Tolerance (mm):
±0.25
Construction:
Polarizing Film
Width (mm):
25.00

Optical Properties

Coating:
Uncoated
Extinction Ratio:
400:1 (Average @ 800 - 2200nm)
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Polymer Film on TAC
Transmission (%):
Single: 29 (400 - 760 nm), 39 (761 - 2200nm)
Crossed: 0.02 (400 - 760nm), 0.11 (761 - 2200nm)
Wavelength Range (nm):
400 - 2200
Polarization Efficiency (%):
99.83 @ 400 - 760nm
99.63 @ 761 - 2200nm
Transmission, Single (%):
29 @ 400 - 760nm
39 @ 761 - 2200nm
Transmission, Crossed (%):
0.02 @ 400 - 760nm
0.11 @ 761 - 2200nm

Environmental & Durability Factors

Operating Temperature (°C):
Heat Resistance 85°C Dry
Cold Resistance -55°C

Additional Info

Note:
Protective Film on Both Sides

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 240:

Product Family Description

  • Ideal for NIR Polarization Applications
  • >400:1 Extinction Ratio from 800 - 2200nm
  • High Efficiency Across Wavelength Range
  • Durable Polymer Substrate

Near-Infrared (NIR) Linear Polarizing Film consists of a durable polymer substrate and is ideal for imaging applications that range from the visible to NIR (400 - 2200nm). This polarizing polymer film features an excellent average transmission of 39% with greater than 99.6% polarization efficiency for incident randomly polarized light between 760 and 2200nm. Multiple rectangular sizes are available to accommodate light sources that range from low power NIR lasers with small beam diameters, to larger LED light beams. Near-Infrared (NIR) Linear Polarizing Film is used in industrial imaging and laboratory applications, i.e. to attenuate the intensity of low output NIR lasers and LEDs or to reduce glare in images recorded using NIR photodetectors. The polarization axis is labelled on the protective masking of the polarizing polymer film for rectangular parts and as a notch cutout on the polarizing polymer film for circular parts.

Note: Remove protective masking before first use.

Filter

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Are the polarizers shipped with a protective film?

What is the difference between s- and p-polarization states?

What are the meanings for the different terms used for polarizers?

How can I tell what the polarization axis is for a linear polarizer?

When you list the average transmission of a polarizer, what is the difference between single, parallel, and crossed?

I have a linear polarizer glass filter and would like to create circularly polarized light. What type of optics do I need for this?

What is the maximum amount of light a polarizer can transmit?

Does the circular polarizer material have to face a particular direction?

What is the fast and slow axis of a retarder and how do they differ?

How can I find the fast and slow axes of a retarder?

What is the difference between multiple and zero-order retarders and when should I pick one over the other?

How can I determine if a retarder is quarter or half wave?

Can I adapt a retarder for use with a specific wavelength other than the design wavelength?

What is the benefit of polymer retarders?

Analyzer

Birefringence

Circular Polarizer

Polarization

Polarizer

Polarizing Efficiency

P-Polarization

Retardance

Retarder (Waveplate)

S-Polarization

Unpolarized

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