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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 (λM ) , front-cut-off wavelength,behind-cut-off wavelenght,and half-peak width.
The wavelenght corresponding to the half of the maximum transmissivity are (λ2) and (λ1). And the half-peak width is determined by (λ2-λ1). Front(behind)-cut-off wavelength is corresponding to the wavelength ofzerotransmissivity.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/λnm) |
Behind Cut-off
(T/λnm) |
Behind cut-off
(T/λnm |
Half-peak
Width
(λ2-λ1)(mm)
|
Thickness
(mm) |
|
1 |
DBT400 |
≥45/400±2 |
0/320±5 |
0/525±5 |
≤90 |
2 |
|
2 |
DBT435 |
≥48/435±2 |
0/340±5 |
≤2.0/540±5 |
≤100 |
4 |
|
3 |
DBT470 |
≥40/470±2
|
0/340±5 |
0/600±5 |
≤115 |
4 |
|
4 |
DBT500 |
≥48/500±2 |
0/380±5 |
0/630±5 |
≤100 |
4 |
|
5 |
DBT530 |
≥48/530±2 |
0/420±5 |
0/670±5 |
≤95 |
2 |
|
6 |
DBT545 |
≥48/545±2 |
0/400±5 |
0/720±5 |
≤100 |
4 |
|
7 |
DBT560 |
≥40/560±2 |
0/435±5 |
0/725±5 |
≤104 |
4 |
|
8 |
DBT600 |
≥36/600±2 |
0/470±5 |
≤1.0/800±5 |
≤95 |
4 |
|
9 |
DBT660 |
≥44/660±2
|
0/500±5 |
≤0/800±5 |
≤115 |
4 |
|
10 |
DBT700 |
≥28/700±2 |
≤0.5/570±5 |
≤0/820±5 |
≤95 |
4 |
|
11 |
DBT720 |
≥50/720±2 |
0/500±5 |
≤0/900±5 |
≤140 |
4 |
|
12 |
DBT740 |
≥25/740±2 |
0/650±5 |
≤0/900±5 |
≤85 |
4 | | | |
