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20° Diffusing Angle 25mm Dia., Fused Silica Holographic Diffuser

Holographic UV Diffusers

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Stock #48-508
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$445.00
Qty 1+
$445.00
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Angle Tolerance (°):
±2
Diffusing Angle (°):
20 (FWHM)
Clear Aperture CA (mm):
21.6 ±0.1
Diameter (mm):
25.00 ±0.1
Operating Temperature (°C):
-40 to +170
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Transmission (%):
Typical: 90
Type:
Holographic Diffuser
Wavelength Range (nm):
400 - 700
Construction:
Mounted
Mount Thickness (mm):
4.7 ±0.1

Regulatory Compliance

RoHS 2015:
Reach 209:
Certificate of Conformance:

Product Family Description

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

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 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, but may be higher if these diffusers are used at wavelengths outside the range of 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.

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