| Material | Domestic or foreign materials are selected based on clients' requests |
| Diameter | max. 40~50mm |
| Length: | max. 25~35mm |
| Surface Quality: | 2 |
| Optical Deviation: | <1 arc min |
| Optical Axis Orientation: | +/-0.5 |
| Flatness: | <Unit/8@633nm |
| Wave Front: | <Unit/8@633nm |
| Coating: | According to custmer request |
| Physical Properties: | |
| Transparency Range: | 189-3500nm |
| Density: | 3.85g/cm3 |
| Therm-Optic Coefficients: |
dno/dT=-9.3X10-6/ºC
dne/dT=-16.63X10-6/ºC |
| Optical Homogeneity: | Δn≈10-6/cm |
| Damage Threshold: | 1 GW/cm2 at 1064nm;500 MW/com2 at 532nm |
| Hygroscopic Susceptibility: | Low |
| Thermal Expansion Coefficients (25ºC-900ºC) | aa=4X10-6/K ac=4X10-6/K |
| Linear Absorption Coefficients | a<0.005cm-1 from 300nm to 2300nm |
| Refractive Indices, Birefringence (Δn=ne-no) and Walk-Off Angle at 45ºC(ρ) |
ne=1.58462,no=1.65790,Δn=-0.073282;ρ=-4.9532o at 1064nm
ne=1.60206, no=1.67755, Δn=-0.075491;ρ=-5.0407o at 532nm ne=1.67190, no=1.76171, Δn=-0.089805;ρ=-5.6926o at 266nm |
Optical Lens Design