- Wavelength: 2700.0 ±30
- Emission Line: Water Vapor
- Operating Temperature: 23.0
- Parallelism: < 5 arc minutes
- Bandwidth (FWHM): 110 ±30 nm
- Minimum Transmission: 75%
- Blocking: 1x10-3 avg. X-Ray to 30µ
- Size: 25.0 Ø +0 / -0.2
- Thickness: 1.0 ±0.2
- Scratch-Dig: 80/50
- Clear Aperture: 22mm dia.
- Flatness: 2 or better at 633
- Effective Refractive Index: N/A
- Substrate: Sapphire
- Gas: Water vapor
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In Stock