Economy Longpass Filter GLWPE-950-D12
Beijing Oupute Technology Co., Ltd.'s Economy Longpass Filters Are Coated on High-Quality Optical Substrates and Offer Steep Transitions and High Transmittance. They Are Widely Applicable to Fluorescence Spectroscopy, Raman Spectroscopy, Spectral Grouping and Astronomical Observation.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Finely annealed H-K9L optical glass |
| Transmitted wavefront error [@633nm] | Wavelength/ 4 @ 633 nm |
| Parallelism Deviation | <30 arcsec |
| Surface Finish | 60/40 |
| Diameter Error | +0.0/-0.1 |
| Thickness | 2±0.2 mm |
| Center Wavelength Error [Half-height wavelength where transmission T%=T_avg%/2] | ±2% |
| Transmittance T_avg | T_avg>85% |
| Stopband depth | >OD2 |
| Stopband steepness [(λT80-λT10)/λT10 ×100%; λT80/λT10 are the wavelengths at T=80%/10%, respectively] | <3% |
| Effective Aperture | >90% |
| Center Wavelength [Half-height point where transmission T%=T_avg%/2] | 950nm |
| Transmission band | 985~2000nm |
| Stopband | 715~905nm |
| Diameter | 12.50 mm |
| RoHS | Compliant with standards |
Key Features
Datasheet
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Supplier Information
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