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20° Diffusing Angle 50mm Dia., Fused Silica Holographic Diffuser

UV Fused Silica Holographic Diffusers

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Stock #48-518 10 to 12 days
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Specifications

General

Type:
Holographic Diffuser

Physical & Mechanical Properties

Clear Aperture CA (mm):
45.7 ±0.1
Diameter (mm):
50.00 ±0.1
Construction:
Mounted

Optical Properties

Angle Tolerance (°):
±2
Diffusing Angle (°):
20 (FWHM)
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Transmission (%):
Typical: 90
Wavelength Range (nm):
400 - 700

Threading & Mounting

Mount Thickness (mm):
5.00 +0.00/-0.35

Environmental & Durability Factors

Operating Temperature (°C):
-40 to +170

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 247:

Product Details

  • Diffusing Angles Ranging from 0.5 - 50°
  • Fused Silica Substrate Ideal for High Temperatures
  • Homogenous Light Distribution
  • Standard Holographic Diffusers Also Available

UV Fused Silica Holographic Diffusers are used to control the diffuse area of illumination and increase transmission efficiency to greater than 90% from filament lamps, LEDs, arc lamps, and other sources. These UV Fused Silica Holographic Diffusers use a fused silica substrate enabling their use at higher operating temperature than polycarbonate holographic diffusers and offer controlled, homogenous light distribution. It is important to note that diffusing angles are given for a collimated input beam and angular divergence will vary for different incidence angles.

Unlike many holographic elements, these specific fused silica components transmit light in the UV, visible, and near-infrared. Zero order, or a specular component, of transmitted light is less than 1% for visible wavelengths. Diffusers with wider diffusing angles (10 degree FWHM or wider) can also be used in an extended range of 200-1500nm, but those with lower diffusing angles are only recommended for use between 400-700nm.

Note: Matte surface should face the light source. To clean holographic diffusers, dampen a lint free cloth wipe with methanol and gently wipe the entire diffuser surface in a gentle, circular pattern. Immediately and carefully blow off the clean diffuser area with dry compressed air. Caution: cleaning may cause a change in the optical performance of the diffuser.

Technical Information

Frequently Purchased Together

Compatible Mounts

Resources

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Learn more about White Diffusing Glass, which reduces the scattering of light and homogenizes the light source, at Edmund Optics.

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Diffuser Selection Guide

Not sure which diffuser will best meet your needs? Review EO's diffuser selection guide to review the pros and cons of each diffuser type at Edmund Optics.

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How should I clean my holographic diffusers?

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How do I know which diffusing angle works for my application?

Diffusion

Lambertian

Reflection Factor (P<sub>d</sub>)

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

Top Optics Trends of 2021 – TRENDING IN OPTICS: EPISODE 3

Several of the most interesting trends in optics and photonics of 2021 were the landing of the Perseverance Rover on Mars, Stemmed Mirrors, minimizing thermal lensing in ultrafast laser systems, and developments in ultraviolet lasers.

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The factory calibration of your UV-VIS-NIR Spectrometer only includes wavelength but not response (irradiance). I can measure raw data which is only usable for transmittance/reflectance measurements. How do I get irradiance measurements?

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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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How do I clean my optics?

Clear Aperture (CA)

Surface Quality

 
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