- Solid State Laser
- Semiconductor Laser
- DPSS laser
- Gas Laser
- Fiber Laser
- Fiber Coupled Laser(MM)
- Fiber Coupled Laser(SM)
- Ultrafast laser
- Femtosecond Laser
- Picosecond Laser
- Pulsed Laser
- Q-switched Laser
- Raman Laser
- Narrow Linewidth Fiber Laser
- Wavelength Tunable Laser
- Laser Diode
- Laser Module
- Pigtailed Laser
- DFB Laser
- DBR Laser
- SLED Laser
- VCSEL Laser
CdSe
CdSe (Cadmium selenide) – Laser Crystal – Nonlinear Crystal – Customized Products
Product ID: 6704
$100
CdSe (Cadmium selenide) – Laser Crystal – Nonlinear Crystal – Customized Products
Cadmium selenide (CdSe) crystals are Ⅲ-Ⅰ cluster compound semiconductors with the wide infrared transparent band (0.75~25 μm), large nonlinear coefficient (d31=18 pm/V) and suitable birefringence, meanwhile, CdSe crystals also have the advantages of good chemical stability, no deliquescence, moderate mechanical strength and good processing performance, and can be frequency converted in the infrared band, which is a kind of performance CdSe crystals also have the advantages of good chemical stability, deliquescence, mechanical strength and good processing performance. It can be used to prepare infrared nonlinear optical devices.
Note:
$100 is a deposit, not the final price of the product. Please contact us for price if needed.
FEATURES
Wide transmittance range
very nonlinear
small walk-off angle
low light absorption
good mechanical properties
small departure angle
Broadband-specific transmission range: 1.6μm to 2.5μm high laser damage threshold
Basic Parameters
| Structure | Hexagonal System,6mm |
| Density | 5.81 g/ cm3 |
| Young’s Modulus | 5×1011 dyne/cm2 |
| Coefficient of Thermal Expansion(500 K) | a1=6.26×10-6/K; a3=4.28×10-6/K |
| Specific Heat | 0.49 J/(g•K) |
| Thermal Conductivity (@ 25 °C) | 0.04 W/cmK |
| Maximum Transmittance(λ =2.5-15 µm ) | ≥ 71 % |
| Absorption Coefficient. (λ =10.6 µm ) | ≤ 0.0015 cm-1 (Includes 2 surfaces) |
| Refractive Index(λ =10.6 µm ) | 2.4258 (no), 2.4437 (ne) |
| Sellmeier equation@T=293 K(λ in μm) | no2=4.2243+1.7680λ2/(λ2-0.2270)+3.1200λ2/ (λ2 – 3380); |
| ne2=4.2009+1.8875λ2/(λ2-0.2171)+3.6461λ2/ (λ2 – 3629) | |
| Mohs Hardness | 3.25 |
| Damage Threshold | 60MW/cm2@10.6µm ，200 ns |
| Transparent Range | 0.7-24µm |
| Optical Symmetry | Positive uniaxial(ne>no) |
| Lattice ParametersÅ | a=4.2985， c=7.0150 |
| Resistivity | Low resistance: < 1 Ohm*cm |
| High resistance: > 1011 Ohm*cm | |
| Thermal Conductivity | 6,9 (||c) Wm-1K-1, 6,2 (⊥c) Wm-1K-1 |
| Melting Point | 1240℃ |
| Bandgap | 1.74eV |
| Nonlinearity Coefficient | d31 = 18 pm/V |
Spectrum
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