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Shijiazhuang Zeyuan Optical Material Co., Ltd.
 
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Shijiazhuang Zeyuan Optical Material Co., Ltd.
[China]
Address:
Shenze town,Shijiazhuang City,Heibei Province Shijiazhuang Hebei China
Phone:
86-0311-81580248
Contact name:
PingjieGao
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Shijiazhuang Zeyuan Optical Material Co., Ltd.
 
Optical Filters

Band-Pass Glass
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Band-Pass Glass
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 Model Number DBT400 DBT435 DBT470 DBT500 DBT530 DBT545 DBT560

description??/td>
Band-Pass Filter Glass
  
       This kind of glass only transmits the light within a narrow wavelengh range as shown in figure. Its spectral characteristic is composed of
maximum transmissivity (TM), wavelength of the peak (?M ) , front-cut-off wavelength,behind-cut-off wavelenght,and half-peak width.
???The wavelenght corresponding to the half of the maximum transmissivity are (?2) and (?1). And the half-peak width is determined by (?2-?1). Front(behind)-cut-off wavelength is corresponding to the wavelength of??ero??ransmissivity.But there are a few types which transmissivities of the behind-cut-off wavelengthes can't approach to zero,then they are determined by the tranmissivity of the certain wavelength.
Technical Indexes
NO.
Type
Maximum
Transmissivity
(TM/?nm)
Behind Cut-off
(T/?nm)
Behind cut-off
(T/?nm
Half-peak
Width
(?2-?1)(mm)
Thickness
(mm)
       1
DBT400
??5/400?2
0/320?5
0/525?5
??0
2
2
DBT435
??8/435?2
0/340?5
??.0/540?5
??00
4
3
DBT470
??0/470?2
0/340?5
0/600?5
??15
4
4
DBT500
??8/500?2
0/380?5
0/630?5
??00
4
5
DBT530
??8/530?2
0/420?5
0/670?5
??5
2
6
DBT545
??8/545?2
0/400?5
0/720?5
??00
4
7
DBT560
??0/560?2
0/435?5
0/725?5
??04
4
8
DBT600
??6/600?2
0/470?5
??.0/800?5
??5
4
9
DBT660
??4/660?2
0/500?5
??/800?5
??15
4
10
DBT700
??8/700?2
??.5/570?5
??/820?5
??5
4
11
DBT720
??0/720?2
0/500?5
??/900?5
??40
4
12
DBT740
??5/740?2
0/650?5
??/900?5
??5
4

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