产品描述
北京波威科技有限公司代理的美国CVI厂家的双凹球面透镜，按材质分为BK7和熔融石英两种类型。
一、BICC-C - Laser Quality BK7 Bi-Concave Lens
产品技术参数描述：
|
Specifications |
|
|
Antireflection Coating |
Wavelength user specified |
|
Center Thickness |
tc±0.25 mm |
|
Chamfer |
0.35 mm at 45° typical |
|
Clear Aperture (CA) |
≥ 85% of central diameter |
|
Concentricity |
≤ 0.05 mm |
|
Diameter |
φ+0/-0.25 mm |
|
Optical Material |
N-BK7 glass |
|
Paraxial Focal Length |
f±0.5% |
|
Surface Figure |
λ/10 at 633 nm before coating |
|
Surface Quality |
10-5 scratch and dig |
|
Antireflection Coating |
|
|
Broadband |
Ravg ≤ 0.5% per surface |
|
Narrowband |
R ≤ 0.25% per surface |
|
Damage Threshold |
|
|
cw |
1 MW/cm2 @ 1064 nm |
|
Pulsed, Broadband |
10 J/cm2, 20 nsec, 20 Hz @ 1064 nm |
|
Pulsed, Narrowband |
15 J/cm2, 20 nsec, 20 Hz @ 1064 nm |
选型表：
|
Part |
f |
φ |
r |
tc |
te |
CA |
f/# |
fb |
f @ |
f @ |
f @ |
f @ |
A1H |
A2H" |
C |
|
BICC-5.0-5.5-C |
-5.0 |
5.0 |
5.5 |
2.0 |
3.2 |
4.3 |
-1.2 |
-5.7 |
-5.0 |
