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天文窄带滤光片ASAHI SPECTRA

简要描述:天文窄带滤光片ASAHI SPECTRA
开发的真空沉积技术,如离子辅助沉积(IAD),离子束溅射(IBS),实现硬涂层的环境(湿度,低或高的温度,热冲击或真空)的优良的耐用性和稳定性光谱性能。

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  • 厂商性质:生产厂家
  • 更新时间:2018-04-08
  • 访  问  量:194
详细介绍

天文窄带滤光片ASAHI SPECTRA 

Astronomical Narrow bandpass filters

Narrow bandpass filters for emission lines in the night sky such as H-alpha, SII, H-beta, or OIII are basic and necessary for
most of escopes.
Recently narrow bandpass filters for galaxy redshift survey (e.g. redshifted H-alpha emission) have been required by
many science groups.

Narrow bandpass filter that meets the following performances will contribute to your survey and science.

a. Small error for the target CWL and FWHM
b. Rectangular shape of passband
c. High transmission in passband

Actual transmission curve of past narrow bandpass filter was often significantly different from the theoretical design, and
made astronomers disappointed.
However, Asahi is now successful to improve the gap between ideal and reality.

 

天文窄带滤光片ASAHI SPECTRA

 


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