Andover Corporation現(xiàn)在將UBVRI濾光片作為標(biāo)準(zhǔn)產(chǎn)品提供。這些濾光片用于濾除和測(cè)量天文物體發(fā)出的特定光帶。
提供兩種類型:Johnson / Bessel和Kron / Cousins。 Johnson / Bessell型更適合與光電倍增管一起使用,而Kron / Cousins型則更適合與硅CCD一起使用。兩種過(guò)濾器套件都可以很好地工作,但是在購(gòu)買任何套件之前,先確定要使用的測(cè)量系統(tǒng)的類型很重要。
兩種濾波器類型都使用相同的U,B和V濾波器。每種類型的R&I過(guò)濾器都不同;它們與所用檢測(cè)器的響應(yīng)更好地匹配。
更換濾鏡時(shí),重新對(duì)焦始終是一個(gè)問(wèn)題。 Andover通過(guò)將所有過(guò)濾器研磨和拋光至非常精確的厚度來(lái)*地減少了此問(wèn)題。
UBVRI過(guò)濾器有多種標(biāo)準(zhǔn)尺寸和定制尺寸。除安裝在螺紋環(huán)中的兩種尺寸外,所有其他尺寸均未安裝。
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 |