We handle various types of optical windows.
Please contact us as we will process it to the required size according to your request.
- Material: Sapphire glass
- Refractive index (ne): 1.760
- Density (g/cm3): 3.98
- Linear expansion coefficient (x10-6/K): 6.9
- Specification: Cut to the C-axis.
Price List
Please click model number for a detailed drawing.
| Model number |
Size (Dimensional tolerance) |
Thickness |
Retail price |
| NT-4020F |
φ40 mm (±0.05 mm) |
2.0 mm |
20,000 yen |
| NT-3015F |
φ30 mm (±0.05 mm) |
1.5 mm |
18,000 yen |
Shibuya Optical Co., Ltd.