2021 Good Quality Middle Infrared Crystals - AgGaSe2 Crystals – Dien
2021 Good Quality Middle Infrared Crystals - AgGaSe2 Crystals – Dien Detail:
AgGaSe2 crystals have band edges at 0.73 and 18 µm. Its useful transmission range (0.9–16 µm) and wide phase matching capability provide excellent potential for OPO applications when pumped by a variety of different lasers. Tuning within 2.5–12 µm has been obtained when pumping by Ho:YLF laser at 2.05 µm; as well as non-critical phase matching (NCPM) operation within 1.9–5.5 µm when pumping at 1.4–1.55 µm. AgGaSe2 (AgGaSe2) has been demonstrated to be an efficient frequency doubling crystal for infrared CO2 lasers radiation.
• Generation second harmonics on CO and CO2 - lasers
• Optical parametric oscillator
• Different frequency generator to middle infrared regions up to 18 um.
• Frequency mixing in the middle IR region
Standard cross sections are 8x 8mm, 5 x 5mm, Crystal length range from 1 to 30 mm. Custom sizes are also available on request.
| Basic properties | |
| Crystal Structure | Tetragonal |
| Cell Parameters | a=5.992 Å, c=10.886 Å |
| Melting Point | 851 °C |
| Density | 5.700 g/cm3 |
| Mohs Hardness | 3-3.5 |
| Absorption Coefficient | <0.05 cm-1 @ 1.064 µm <0.02 cm-1 @ 10.6 µm |
| Relative Dielectric Constant @ 25 MHz | ε11s=10.5 ε11t=12.0 |
| Thermal Expansion Coefficient | ||C: -8.1 x 10-6 /°C ⊥C: +19.8 x 10-6 /°C |
| Thermal Conductivity | 1.0 W/M/°C |
|
Linear Optical Properties |
||
| Transparency Range |
0.73-18.0 um |
|
| Refractive Indices @ 1.064 um @ 5.300 um @ 10.60 um |
no |
ne |
| Thermo-Optic Coefficient |
dno/dt=15.0 x 10-5/°C |
|
| Sellmeier Equations ( ʎ in um) |
no2=4.6453+2.2057/(1-0.1879/ʎ2)+1.8577/(1-1600/ʎ2) ne2=5.2912+1.3970/(1-0.2845/ʎ2)+1.9282/(1-16007/ʎ2) |
|
|
Nonlinear Optical Properties |
|
| NLO Coefficients @ 10.6 um | d36=d24=d15=39.5 pm/V |
| Linear Electro-optic Coefficients | Y41T=4.5 pm/V Y63T=3.9 pm/V |
| Damage Threshold @ ~ 10 ns, 1.064 um |
20-30 MW/cm2(surface) |
|
Technical Properties |
|
| Dimension tolerance | (W +/-0.1 mm) x (H +/-0.1 mm) x (L + 1 mm/-0.5 mm) |
| Clear aperture | > 90% central area |
| Flatness | λ/8 @ 633 nm for T>=1 mm |
| Surface Quality | Scratch/dig 60-40 after coating |
| Parallelism | better than 30 arc seconds |
| Perpendicularity | 10 arc minutes |
| Orentation accuracy | <30’’ |
Product detail pictures:
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As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for 2021 Good Quality Middle Infrared Crystals - AgGaSe2 Crystals – Dien , The product will supply to all over the world, such as: Denver, Poland, Luxembourg, We welcome you to visit our company and factory. It is also convenient to visit our website. Our sales team will offer you the best service. If you need more information, please feel free to contact us by E-mail or telephone. We are sincerely hope to establish a good long-term business relationship with you through this opportunity, based on equal, mutual benefit from now till the future.
By Fiona from Sri Lanka - 2018.12.14 15:26
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
By Ruth from Amman - 2018.06.19 10:42
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