Longpass Filter, Colored-Glass Alternative, 2x2 in., 400 nm Cut-on
Longpass Filter, Colored-Glass Alternative, 2x2 in., 400 nm Cut-on
Model: 20CGA-400
In Stock
Product Series Overview
Square Colored Glass Alternative Longpass FiltersThe 20CGA-400 Colored-Glass Alternative Filter is a 2 inch (50.8 mm) square long-pass filter with a 400 ± 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.
Specifications
- TypeColored Glass Alternative Longpass Filter
- Optic Size50.8 x 50.8 mm
- Cut-on Wavelength400 nm
- Cut-on Wavelength Tolerance±5 nm
- Effective Index of Refraction1.83
- Surface Quality80-50 scratch-dig
- Thickness1.1 mm
- Thickness Tolerance±0.1 mm
- Size Tolerance±0.25 mm
- Clear Aperture≥90% of filter size with film-to-the-edge
- Temperature Range-100 to 400°C
- Humidity ResistanceMIL-STD-810, Method 507.3, Procedure III, Modified to 40 cycles
- Abrasion, Adhesion, HardnessMIL-C-48497
- Cleaning
Resources & Downloads
Literature
Colored Glass Alternative Filters Catalog(14.2 MB, PDF)
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