北京波威科技有限公司代理的美国CVI厂家的XEP高消光超薄片偏振片,也称XEP-High Extinction Thin-Film。此分束镜的消光比(TP/TS)为10000:1 at 1064nm,偏振带宽为6-8nm at 1064nm,有效透光率大于97%。
产品技术参数描述:
Specifications
|
|
Angle of Incidence
|
45°±2°
|
Clear Aperture
|
≥ 85% of central diameter
|
Damage Threshold
|
2 J/cm2, 10 nsec, 20 Hz @ 532 nm,
S or P polarization
|
Diameter
|
φ+0/-0.25 mm
|
Optical Material
|
N-BK7
|
Surface Quality
|
40-20
|
Tp/Ts
|
10,000:1
|
Thickness
|
t±0.25 mm
|
Transmission Efficiency
|
Tp >97%
|
Transmitted Wavefront Error
|
λ/4 at 633 nm
|
选型表:
Part Number
|
φ (mm)
|
t (mm)
|
Wavelength (nm)
|
XEP-355.0-25.0M
|
25.0
|
6.35
|
355.0
|
XEP-405.0-25.0M
|
25.0
|
6.35
|
405.0
|
XEP-532.0-25.0M
|
25.0
|
6.35
|
532.0
|
XEP-633.0-25.0M
|
25.0
|
6.35
|
633.0
|
XEP-785.0-25.0M
|
25.0
|
6.35
|
785.0
|
XEP-1064.0-25.0M
|
25.0
|
6.35
|
1064.0
|