T-GCA20 - Acetylene Gas Reference Cell with Angled Ø1/2" UVFS Wedged Windows, 20.0 mm Long
T-GCA20 - Acetylene Gas Reference Cell with Angled Ø1/2" UVFS Wedged Windows, 20.0 mm Long
- Sealed Acetylene Cells for Frequency and Wavelength Reference
- Pair of Windows Angled at 11° to Cell Body
- Diverts Reflections Out of Beam Path
- Compensates Beam Shear (Offset)
- Wedged Windows Minimize Etalon Effects
- UV Fused Silica Windows Bonded to Fused Silica Cell Body
- High Transmission Across the UV, Visible, and NIR Spectral Ranges
| Specifications | |
|---|---|
| Item # | T-GCA20 |
| Reference Gas | Acetylene, >99.6% Purity |
| Cell Length | 20.0 ± 3.0 mm |
| Path Length | 14.0 ± 3.0 mm |
| Cell Outer Diameter | 12.0 ± 0.2 mm |
| Cell Clear Aperture | >Ø8.0 mm |
| Nominal Pressure | 50 Torr |
| Pressure Tolerance | ±10 Torr |
| Stem Height | ≤10 mm |
| Window Angle | 11.0° ± 1.0° |
| Window Item # | WW40530 |
| Window Flatness | λ |
| Window Wedge Angle | 30 ± 10 arcmin |