Andover濾(lv)光片(pian)
Andover Corporation現在將UBVRI濾(lv)光片(pian)作為(wei)標準產品提供(gong)。這些濾(lv)光片(pian)用於(yu)濾(lv)除和(he)測(ce)量天(tian)文物體發(fa)出的(de)特(te)定(ding)光(guang)帶(dai)。
提供(gong)兩種(zhong)類型:Johnson / Bessel和(he)Kron / Cousins。 Johnson / Bessell型更(geng)適合與(yu)光(guang)電(dian)倍增(zeng)管(guan)壹起(qi)使用,而Kron / Cousins型則(ze)更(geng)適合與(yu)矽(gui)CCD壹(yi)起(qi)使用。兩種(zhong)過(guo)濾(lv)器套(tao)件(jian)都(dou)可以很好地工作,但是在購(gou)買任(ren)何套件(jian)之前(qian),先確(que)定(ding)要使用的測量系統(tong)的(de)類型很重(zhong)要。
兩種(zhong)濾(lv)波器(qi)類型都(dou)使用相同的U,B和(he)V濾(lv)波器(qi)。每種(zhong)類型的(de)R&I過(guo)濾(lv)器都(dou)不同(tong);它(ta)們(men)與所(suo)用檢測器的(de)響應(ying)更(geng)好地匹配(pei)。
更(geng)換濾(lv)鏡(jing)時,重(zhong)新(xin)對(dui)焦(jiao)始(shi)終(zhong)是壹個(ge)問題(ti)。 Andover通過(guo)將所(suo)有(you)過(guo)濾(lv)器研(yan)磨(mo)和(he)拋光(guang)至(zhi)非常(chang)精(jing)確(que)的厚(hou)度(du)來(lai)**程(cheng)度(du)地減少(shao)了(le)此(ci)問(wen)題(ti)。
UBVRI過(guo)濾(lv)器有(you)多種(zhong)標準(zhun)尺(chi)寸和(he)定(ding)制(zhi)尺(chi)寸。除安(an)裝(zhuang)在螺紋(wen)環(huan)中(zhong)的兩種(zhong)尺(chi)寸外(wai),所(suo)有(you)其他尺(chi)寸均(jun)未安裝(zhuang)。

Andover濾(lv)光片(pian)
| 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 |