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45 x 35° Diffusing Angle, 25mm Dia., Mounted Flat Top Holographic Diffuser

Flat Top Holographic Diffusers

Flat Top Holographic Diffusers
Stock #15-831
Qty 1-5
Qty 6+
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Diffusing Angle (°):
45 x 35 (FWHM)
Clear Aperture CA (mm):
Diameter (mm):
25.00 ±1
Operating Temperature (°C):
-30 to +100 (Maximum of 240 Hours)
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Thickness (mm):
Transmission (%):
Flat Top Diffuser
Wavelength Range (nm):
400 - 1600

Regulatory Compliance


Product Family Description

  • Shape Input Light to a Homogenized, Flat Top Profile
  • Rectangular Output Beam Pattern
  • Available Mounted in 25 or 50mm Protective Rings

Flat Top Holographic Diffusers shape collimated input light into a homogenized, flat top intensity profile. These diffusers are designed to operate from 400 to 1600nm with a 45° x 35° full-width half max (FWHM) angle, producing a rectangular output beam pattern. They are mounted in 25 or 50mm protective rings facilitating their use with standard optical mounts for easy integration into benchtop optical systems. Flat Top Holographic Diffusers are ideal for integration into LIDAR, heads up displays (HUDs), time of flight, 3D sensing, and machine vision applications.

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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