Andover濾(lv)光片(pian)
Andover Corporation現(xian)在(zai)將(jiang)UBVRI過濾(lv)器(qi)作為標準(zhun)產(chan)品(pin)提供(gong)。這(zhe)些濾光片(pian)用(yong)於(yu)濾(lv)除(chu)和(he)測量(liang)天(tian)文物(wu)體(ti)發出的(de)特(te)定(ding)光帶(dai)。
提供兩(liang)種(zhong)類型(xing):Johnson / Bessel和(he)Kron / Cousins。Johnson / Bessell型更(geng)適合(he)與光電(dian)倍增管(guan)壹起使用(yong),而(er)Kron / Cousins型(xing)則(ze)更適合(he)與矽(gui)CCD壹起使用(yong)。兩(liang)種(zhong)過濾(lv)器(qi)套(tao)件(jian)都可(ke)以很(hen)好(hao)地(di)工(gong)作,但是在(zai)購(gou)買(mai)任何套(tao)件(jian)之前(qian),先(xian)確(que)定(ding)要使用(yong)的(de)測(ce)量(liang)系統的(de)類型(xing)很(hen)重要。
兩(liang)種(zhong)濾波器(qi)類型(xing)都(dou)使用(yong)相同(tong)的(de)U,B和(he)V濾(lv)波器(qi)。每(mei)種(zhong)類型(xing)的(de)R&I過濾(lv)器(qi)都不(bu)同(tong);它(ta)們(men)與所用(yong)檢測器(qi)的(de)響(xiang)應更(geng)好(hao)地(di)匹(pi)配。
更換濾(lv)鏡(jing)時,重新對焦(jiao)始(shi)終(zhong)是(shi)壹個問題(ti)。Andover通過將(jiang)所有(you)過濾(lv)器(qi)研(yan)磨和(he)拋光***非(fei)常(chang)精確的(de)厚(hou)度(du)來**程度(du)地(di)減(jian)少(shao)了(le)此問題(ti)。
UBVRI過濾(lv)器(qi)有多(duo)種(zhong)標準(zhun)尺寸和(he)定(ding)制尺寸。除(chu)安(an)裝在(zai)螺(luo)紋環(huan)中的(de)兩(liang)種(zhong)尺寸外,所有(you)其(qi)他尺寸均未(wei)安裝。

Andover濾(lv)光片(pian)
| DESCRIPTION | PART NO. |
| B Filternm CWL, 100nm Bandwidth, 25.0 Diameter | JOHN-B-25 |
| B Filternm CWL, 100nm Bandwidth, 31.0 Diameter | JOHN-B-31M |
| B Filternm CWL, 100nm Bandwidth, 50.0 Diameter | JOHN-B-50 |
| B Filternm CWL, 100nm Bandwidth, 50.0 Diameter | JOHN-B-50M |
| B Filternm CWL, 100nm Bandwidth, 50.0 x 50.0 Diameter | JOHN-B-50S |
| I Filternm CWL, 300nm Bandwidth, 25.0 Diameter | JOHN-I-25 |
| I Filternm CWL, 300nm Bandwidth, 31 Diameter | JOHN-I-31M |
| I Filternm CWL, 300nm Bandwidth, 50 Diameter | JOHN-I-50 |
| I Filternm CWL, 300nm Bandwidth, 50 Diameter | JOHN-I-50M |
| I Filternm CWL, 300nm Bandwidth, 50 X 50 Diameter | JOHN-I-50S |
| R Filternm CWL, 120nm Bandwidth, 25.0 Diameter | JOHN-R-25 |
| R Filternm CWL, 120nm Bandwidth, 31 Diameter | JOHN-R-31M |
| R Filternm CWL, 120nm Bandwidth, 50.0 Diameter | JOHN-R-50 |
| R Filternm CWL, 120nm Bandwidth, 50.0 Diameter | JOHN-R-50M |
| R Filternm CWL, 120nm Bandwidth, 50.0 x 50.0 Diameter | JOHN-R-50S |
| U Filternm CWL, 60nm Bandwidth, 25.0 Diameter | JOHN-U-25 |
| U Filternm CWL, 60nm Bandwidth, 31 Diameter | JOHN-U-31M |
| U Filternm CWL, 60nm Bandwidth, 50.0 Diameter | JOHN-U-50 |
| U Filternm CWL, 60nm Bandwidth, 50.0 Diameter | JOHN-U-50M |
| U Filternm CWL, 60nm Bandwidth, 50 X 50 Diameter | JOHN-U-50S |
| V Filternm CWL, 90nm Bandwidth, 25.0 Diameter | JOHN-V-25 |
| V Filternm CWL, 90nm Bandwidth, 31.0 Diameter | JOHN-V-31M |
| V Filternm CWL, 90nm Bandwidth, 50.0 Diameter | JOHN-V-50 |
| V Filternm CWL, 90nm Bandwidth, 50.0 Diameter | JOHN-V-50M |
| V Filternm CWL, 90nm Bandwidth, 50.0 x 50.0 Diameter | JOHN-V-50S |