Er: Glass Erbium Ytterbium Co-doped Phosphate Glass CrE5
Er:Glass erbium -ytterbium co - doped phosphate glass is a kind of rare earth-doped laser material based on phosphate glass . The 1.5 μm spectral range provides a useful coherent source that is relatively safe for the human eye . Mainly used for laser ranging and tracking, optical fiber communication, photoelectric countermeasures, strong laser damage, laser medical treatment, laser beauty, with the characteristics of optical waveguide amplification and high-gain optical fiber amplification .
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Overview
Specifications
| Parameter | Value |
|---|---|
| Orientation Tolerance | < 0.5° |
| Thickness/Diameter Tolerance | ±0.05mm |
| Surface roughness [@632nm] | <λ/8@632nm |
| Wavefront distortion [@632nm] | <λ/4@632nm |
| Surface Quality | 10-5 (MIL-O-13830A) |
| Parallelism | 10" |
| Perpendicularity | 15' |
| Clear aperture | >90% |
| Chamfer [45°] | <0.1×45° |
| Orientation | [100] , [110]±0.5° |
| Mass density | 2.95 g/ cm3 |
| Moh's hardness | 8.5 |
| Young's modulus | 57.6 GPa |
| Tensile strength | 2 GPa |
| Melting point | 1970°C |
| Thermal Conductivity | 0.8 |
| Specific heat/(J g -1 K -1 ) | 0.59 J g -1 K -1 |
| Thermal Shock Resistance Parameters | 800 W/m |
| Linear thermal expansion coefficient (10 -7 / K) (20~100℃) | 80.5 10 -7 /K |
| Linear thermal expansion coefficient (10 -7 / K) (100~300℃) | 87 10 -7 /K |
| Softening temperature | 519 Celsius |
| Transition Temperature | 476 Celsius |
| dn/dT (10-6 / ºC) (20~100ºC) | -6.8 10-6 /ºC |
| Refractive Index @ 1535 nm [@1535nm；@ 1535 nm] | 1.533 |
| Refractive index (d 589.3nm) [d589.3nm] | 1.541 |
| Abbe value | 63.6 |
Key Features
Datasheet
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