主要功能介绍:
andover corporation现在将ubvri滤光片作为标准产品提供。这些滤光片用于滤除和测量天文物体发出的特定光带。 提供两种类型:johnson / bessel和kron / cousins。 johnson / bessell型更适合与光电倍增
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andover corporation现在将ubvri滤光片作为标准产品提供。这些滤光片用于滤除和测量天文物体发出的特定光带。
提供两种类型:johnson / bessel和kron / cousins。 johnson / bessell型更适合与光电倍增管一起使用,而kron / cousins型则更适合与硅ccd一起使用。两种过滤器套件都可以很好地工作,但是在购买任何套件之前,先确定要使用的测量系统的类型很重要。
两种滤波器类型都使用相同的u,b和v滤波器。每种类型的r&i过滤器都不同;它们与所用检测器的响应更好地匹配。
更换滤镜时,重新对焦始终是一个问题。 andover通过将所有过滤器研磨和抛光至非常精确的厚度来**程度地减少了此问题。
ubvri过滤器有多种标准尺寸和定制尺寸。除安装在螺纹环中的两种尺寸外,所有其他尺寸均未安装。
description | part no. |
b filter, 100nm fwhm, 55% transmission | kron-b-25 |
b filter, 100nm fwhm, 55% transmission | kron-b-31m |
b filter, 100nm fwhm, > 55% transmission | kron-b-50 |
b filter, 100nm fwhm, > 55% transmission | kron-b-50m |
b filter, 100nm fwhm, 55% transmission | kron-b-50s |
i filter, 175nm fwhm, 70% transmission | kron-i-25 |
i filter, 175nm fwhm, 70% transmission | kron-i-31m |
i filter, 175nm fwhm, > 70% transmission | kron-i-50 |
i filter, 175nm fwhm, > 70% transmission | kron-i-50m |
i filter, 175nm fwhm, 70% transmission | kron-i-50s |
r filter, 250nm fwhm, 70% transmission | kron-r-25 |
r filter, 250nm fwhm, 70% transmission | kron-r-31m |
r filter, 250nm fwhm, 70% transmission | kron-r-50 |
r filter, 250nm fwhm, 70% transmission | kron-r-50m |
r filter, 250nm fwhm, 70% transmission | kron-r-50s |
u filter, 60nm fwhm, 50% transmission | kron-u-25 |
u filter, 60nm fwhm, 50% transmission | kron-u-31m |
u filter, 60nm fwhm, > 50% transmission | kron-u-50 |
u filter, 60nm fwhm, > 50% transmission | kron-u-50m |
u filter, 60nm fwhm, 50% transmission | kron-u-50s |
v filter, 90nm fwhm, 70% transmission | kron-v-25 |
v filter, 90nm fwhm, 70% transmission | kron-v-31m |
v filter, 90nm fwhm, 70% transmission | kron-v-50 |
v filter, 90nm fwhm, 70% transmission | kron-v-50m |
v filter, 90nm fwhm, 70% transmission | kron-v-50s |