These absorptive neutral density filters (unlike metallic filters) are manufactured
from a family of Schott glasses exhibiting various internal absorption coefficients.
By using three different glasses (each with a unique absorption) that have spectrally
flat absorption coefficients and by differing the filter thicknesses, we are able to
manufacture a progressively more absorptive series of neutral density filters. All data
技术参数:
Specifications
■ Substrate: NG11, NG4,
and NG9 (Schott)
■ Diameter (mm):
25.0 +0.0/-0.25
■ Clear Aperture: 90% OD
■ Surface Flatness: λ Over 95%
■ Surface Quality:
60-40 Scratch-Dig
■ Parallelism: 10arcsec for Ø1"
3arcmin for Ø1/2"
主要特点:
■ Ideal for Low Power Applications
■ Absorptive Glass Reduces Multiple Reflections
■ Optical Density Tolerances < ±5% @ 633 nm
工商信息
企业名称
瞬渺科技(香港)有限公司
企业信息已认证
企业类型
信用代码
成立日期
2008-10-15
注册资本
266
经营范围
联系方式
瞬渺科技(香港)有限公司
公司地址
上海市闵行区总部一号都会路2338弄122号楼
客服电话
400-860-5168转1545
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