Products & Services
- Windows
- Prisms
- Spherical Lenses
- Cylindrical Lenses
- Mirrors
- Beamsplitters
- Polarization Optics
- Singlet True Zero Order Waveplate
- Cemented True Zero Order Waveplate
- Cemented Zero Order Waveplate
- Optical Contact Zero Order Waveplate
- Air-Spaced Zero Order Waveplate
- Low Order Waveplate
- Multi-Order Waveplate
- Narrow Band Polarization Beamsplitter Cube
- Broadband Polarization Beamsplitter Cube
- Rotator
- Glan Taylor Polarizer
- Glan Laser Polarizer
- Glan Thompson Polarizer
- Glan Thompson Polarization Beamsplitter Cube
- Wollaston Polarizer
- Rochon Polarizer
- Broadband Polarization Beam Combiner
- Brewster Polarizer
- Brewster Window
- Coatings
Links
BK7 Window
N-BK7（Chinese Equivalent H-K9L）,a relatively hard galss,does not scratch easily and can be handled without special precautions.N-BK7 performs well in chemical tests such that special treatment during polishing is not necessary.The bubble and inclusion content of N-BK7 is less than 0.029mm2 per 100 cm3.N-BK7 has excellent transmittance as low as 350nm.
| Grade | E | H | S |
|---|---|---|---|
| Material | N-BK7 | ||
| Diameter Tolerance | +0.0, -0.1mm | ||
| Thinkness Tolerance | ±0.1mm | ±0.2mm | |
| Clear Aperture | >90% | ||
| Parallelism | 5" | 10" | 30" |
| Wavefront Distortion(@632.8nm) | λ/10 | λ/8 | λ/4 |
| Surface Quality | 10/5 | 20/10 | 60/40 |
| Bevel | Protective | ||
| Coating | Uncoated | ||
| P/N | Φ | T | Grade |
|---|---|---|---|
| 10101 | 10.00 | 6.00 | E |
| 10102 | 12.70 | 6.00 | E |
| 10103 | 15.00 | 6.00 | E |
| 10104 | 20.00 | 6.00 | E |
| 10105 | 25.40 | 6.00 | E |
| 10106 | 10.00 | 6.00 | H |
| 10107 | 12.70 | 6.00 | H |
| 10108 | 15.00 | 6.00 | H |
| 10109 | 20.00 | 6.00 | H |
| 10110 | 25.40 | 6.00 | H |
| 10111 | 10.00 | 3.00 | S |
| 10112 | 12.70 | 3.00 | S |
| 10113 | 25.40 | 3.00 | S |
| 10114 | 38.00 | 3.00 | S |
| 10115 | 50.00 | 3.00 | S |
●Unit:mm
●Other sizes and coatings are available upon request.
●Other sizes and coatings are available upon request.
