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Anti halo photoelectric glass

  • Classification: Fiber optic image transmission component series
  • Number of views: 1603
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  • Release time: 2021-09-22
  • Product Overview

anti-halation photoelectric glass is a special key material used in low-light night vision devices. It has high transmittance for ultraviolet, visible, and near-infrared light within the effective range, while forming a highly efficient absorbing layer with a non-reflective interface around it. The highly efficient absorbing layer is formed by special processing on the surface of the glass substrate, providing strong absorption characteristics for stray light. As a result, it can eliminate halation and improve image clarity.

Technical data 

Effective diameterΦ12~60mm

Coefficient of expansion20~300°)50±2)×10-7/℃

Transition temperature(525±5)℃

Softening temperature ( 107.6P )(610±5)℃

Refractive index ( nD )1.4960

Transmittance in transparent area350nm ~400nm):90%

Transmittance in transparent area400nm ~ 1000nm):92%

Transmittance of light absorption layer0. 5%

350nm ~800nm:0%; 800nm ~ 1000nm: 2%


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