Laser Diode Cover Glass
High-grade cover glass
Laser Diode Cover Glass is a thin sheet of high-quality glass (ABC-G), precision-cut into hexagonal shapes for use in laser diode windows, light-emitting diode windows, and light-receiving photodiode windows.
Features
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AR coatings with 99%+ transmittance are applied for specific wavelengths (Type A: 405 nm, Type B: 650 nm, Type C: 780 nm, Type D: 1300 nm, Type E: 1550 nm, Type F: 650 nm and 780 nm), tailored for laser diodes and light-emitting diodes.
Properties
Standard Property Values
|
Properties/Product name |
ABC-G | ||
|---|---|---|---|
| Coefficient of thermal expansion | 30-380℃ |
× 10-7/K |
38 |
| Strain point | ℃ | 650 | |
| Refractive index (nd) | 1.52 | ||
|
Density |
× 103kg/m3 | 2.46 | |
Transmittance of AR-Coated Glass
Example of Dimensional Standards
(Unit: mm)
|
Length |
Thickness |
|||||
| A | B | C | D | Tolerance | ｔ | Tolerance |
| 2.5-10 |  |
2-10 | 2-10 | ±0.05 | 0.25,0.3 | ±0.05 |
| Type |
Wavelength (nm) |
Transmittance (%) |
|---|---|---|
| A | 405 | 99 or more |
| B | 650 | 99 or more |
| C | 780 | 99 or more |
| D | 1300 | 99 or more |
| E | 1550 | 99 or more |
| F | 650 | 99 or more |
| 780 | 99 or more |
Customize your AR coating by selecting your specified wavelength.
