T-BS018 - 50:50 Non-Polarizing Beamsplitter Cube, 1100 - 1600 nm, 20 mm
T-BS018 - 50:50 Non-Polarizing Beamsplitter Cube, 1100 - 1600 nm, 20 mm
- Broadband AR-Coated Faces for 1100 - 1600 nm
- Broadband Beamsplitter Coating on Internal Diagonal Surface
- 10:90, 30:70, 50:50, 70:30, or 90:10 (R:T) Split Ratio
- Sizes from 5 mm to 2" (See Below for Details)
- N-BK7 Substrate
- Size 20 mm Cube
- Wavefront Error (@ 633 nm) <λ/4
- Transmitted Beam Deviation 0° ± 5 arcmin
| General Specifications | ||
|---|---|---|
| Wavelength Range | 1100 - 1600 nm | |
|
AR Coating (All Four Surfaces, Click for Plot) |
Ravg < 0.5% at 0° AOI from 1100 - 1600 nm |
|
| Substrate Material | N-BK7 | |
| Dimensional Tolerance | +0.0 / -0.2 mm | |
| Reflected Beam Deviation | 90° ± 5 arcmin | |
| Surface Quality | 40-20 Scratch-Dig | |
| Item # | T-BS018 |
|---|---|
| Cube Side Length | 20 mm |
| Clear Aperture | >16.0 x 16.0 mm |
| Transmitted Wavefront Errora |
<λ/4 |
| Transmitted Beam Deviation | 0° ± 5 arcmin |
| Overall Performanceb | Tabs = 47 ± 10%, Rabs = 47 ± 10%, Tabs + Rabs > 83%, Tavg + Ravg > 88%, |Ts - Tp| < 10%, and |Rs - Rp| < 10% |
| Damage Threshold |
Pulsed: 0.25 J/cm2 (1542 nm, 10 ns, 10 Hz, Ø0.282 mm) CWc: 50 W/cm (1542 nm, Ø1.030 mm) |