Colored-Glass Alternative Filter, 25.4 mm, 295 nm Longwave Pass Cut-on

10CGA-295
€ 423.00

Description

The 10CGA-295 Colored-Glass Alternative Filter is a 1 inch (25.4 mm) diameter long-pass filter with a 295 ± 5 nm cut-on wavelength. Colored-Glass Alternative filters have a steep transition between the region of transmission and rejection (blocking) that is much steeper than colored glass filters. Colored-Glass Alternative filters have out-of-band rejection ≥OD 5 to 200 nm. Typical transmission is ≥90% average.

Product Series Overview

Colored Glass Alternative Longpass Filters

 

Technical Specs

• Type
  Colored Glass Alternative Longpass Filter
   
• Optic Size
  Ø25.4 mm
   
• Cut-on Wavelength
  295 nm
   
• Cut-on Wavelength Tolerance
  ± 5 nm
   
• Abrasion, Adhesion, Hardness
  MIL-C-48497
   
• Effective Index of Refraction
  3.856
   
• Active Area
  ≥90% of filter size with film-to-the-edge
   
• Surface Quality
  80-50 scratch-dig
   

• Temperature Range
  -100°C to 400 °C
   
• Size Tolerance
  ± 0.005 in.
   
• Thickness
  1.1 mm  
   
• Thickness Tolerance
  ± 0.1 mm
   
• Humidity Resistance
  MIL-STD-810, Method 507.3, Procedure III, Modified to 40 cycles
   
• Cleaning
  Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended
•