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Bandpass Filters

Overview
Band Pass Filters
Bandpass Filters,  Dichroic.asia optotech ltd.
Narrow Bandpass Filters
Wide Bandpass Filters
Key Features

Only the wavelength that was selected can passed.

Applications

Automatic Optical Inspection Equipment(AOI Equipment)

Medical Equipments.
Sensors
Optical Equipments.
Laser Equipments.

Specifications
ITEM NO: BP435
Spectral Characteristics
Bandpass Filter, bp435,  Dichroic.asia optotech ltd.
Tpeak=435 +/- 15nm
Tave<5% @ 200-375nm
Tave<5% @ 520-1050
Physical Characteristics
Thickness
Glass: 3.3mm
Dimension
Square: 10*10 ~ 80*80mm
Round: 10 ~ 75mm
Resistant Temperature
150 Celsius

ITEM NO: BP5055
Spectral Characteristics
Bandpass Filter, bp5055,  Dichroic.asia optotech ltd.
Tave<5% @ 200-400nm
Tave>65% @ 520-530nm
Tave<5% @ 650-1050nm
Physical Characteristics
Thickness
Glass: 3.3mm
Dimension
Square: 10*10 ~ 50*50mm
Round: 10 ~ 45mm
Resistant Temperature
150 Celsius

ITEM NO: BP510 (485/535)
Spectral Characteristics
Bandpass Filter, bp510,  Dichroic.asia optotech ltd.
Tave<5% @ 200-420nm
Tave>70% @ 505-515nm
Tave<5% @ 580-1000nm
Physical Characteristics
Thickness
Glass: 1.1mm
Dimension
Square: 8*8 ~ 160*160mm
Round: 8 ~ 150mm
Resistant Temperature
150 Celsius

ITEM NO: BP560 (530/585)
Spectral Characteristics
Bandpass Filter, bp560,  Dichroic.asia optotech ltd.
Tave<5% @ 200-480nm
Tave>70% @ 550-570nm
Tave<5% @ 630-1000nm
Physical Characteristics
Thickness
Glass: 1.1mm
Dimension
Square: 8*8 ~ 160*160mm
Round: 8 ~ 150mm
Resistant Temperature
150 Celsius

ITEM NO: BP5060
Spectral Characteristics
Bandpass Filter, bp5060,  Dichroic.asia optotech ltd.
Tave<5% @ 430-470nmnm
Tave>85% @ 530-570nm
Tave<5% @ 680-1050nm
Physical Characteristics
Thickness
Glass: 1.1mm
Dimension
Square: 8*8 ~ 160*160mm
Round: 8 ~ 150mm
Resistant Temperature
150 Celsius

ITEM NO: BP630
Spectral Characteristics
Bandpass Filter, bp630,  Dichroic.asia optotech ltd.
Tave<5% @ 200-480nm
T PEAK=630 +/- 15nm
Tave<5% @ 720-11050nm
Physical Characteristics
Thickness
Glass: 2.2mm
Dimension
Square: 10*10 ~ 160*160mm
Round: 10 ~ 150mm
Resistant Temperature
150 Celsius

ITEM NO: BP6570
Spectral Characteristics
Bandpass Filter, bp6570,  Dichroic.asia optotech ltd.
Tave<5% @ 200~570nm
Tave>70% @ 665-690nm
Tave<5% @ 780-1050nm
Physical Characteristics
Thickness
Glass: 2.2mm
Dimension
Square: 10*10 ~ 160*160mm
Round: 10 ~ 150mm
Resistant Temperature
150 Celsius

ITEM NO: BP6070
Spectral Characteristics
Bandpass Filter, bp6070,  Dichroic.asia optotech ltd.
Tave<5% @ 420-560nm
Tave>80% @ 640-660nm
Tave<5% @ 750-1100nm
Physical Characteristics
Thickness
Glass: 0.7, 1.1mm
Dimension
Square: 10*10 ~ 160*160mm
Round: 10 ~ 150mm
Resistant Temperature
150 Celsius

ITEM NO: BP8090
Spectral Characteristics
Bandpass Filter, bp8090,  Dichroic.asia optotech ltd.
Tave<5% @ 420-650nm
Tave>75% @ 840-860nm
Tave<5% @ 950-1100nm
Physical Characteristics
Thickness
Glass: 0.55, 0.7, 1.1mm
Dimension
Square: 10*10 ~ 160*160mm
Round: 10 ~ 150mm
Resistant Temperature
150 Celsius

ITEM NO: BP8493
Spectral Characteristics
Bandpass Filter, bp8493,  Dichroic.asia optotech ltd.
Tave<5% @ 420-780nm
Tave>85% @ 840-904nm
Tave<5% @ 1000-1100nm
Physical Characteristics
Thickness
Glass: 0.7, 1.1mm
D263t: 0.3, 0.55, 0.7mm
Dimension
Square: 10*10 ~ 160*160mm
Round: 10 ~ 150mm
Resistant Temperature
150 Celsius
D263t: 300 Celsius

ITEM NO: BP8998
Spectral Characteristics
Bandpass Filter, bp8998,  Dichroic.asia optotech ltd.
Tave<5% @ 420-850nm
Tave>85% @ 930-950nm
Tave<5% @ 1000-1100nm
Physical Characteristics
Thickness
Glass: 0.7, 1.1mm
D263t: 0.3, 0.55, 0.7mm
Dimension
Square: 4*4 ~ 160*160mm
Round: 4 ~ 150mm
Resistant Temperature
Glass: 150 Celsius
D263t: 300 Celsius

Narrow Bandpass Filters
Demension: Diameter 12, 12.7, 15, 25, 25.4mm
Center Wavelength(nm)
Bandwidth(nm)
Peak Transmittance(nm)
340
11
40
405
10
35
450
10
50
505
10
50
600
10
50
650
11
50
706
11
50
750
11
45
850
12
45
940
13
45
1064
10
45

Information and Notes

  • 1. Bandpass filters with 34~62 layers which vacuum-deposited on substrate.
  • 2. Coating by PVD-EBGE (Physical Vapor Deposition-Electron Beam Gun Evaporation) .
  • 3. Some Bandpass filter combo with multi filters, and thickness range may from 1.1 ~ 4.4mm.
  • 4. Bandpass filters also offer standard camera ring ex: M49, M52, M55, M58.
  • 5. The transmittance curves are measurements at 0┬░of incidence angle.
  • 6. The transmittance curves are based on actual measurements and may be different with manufacturing lots.
  • Bandpass Filter,  Dichroic.asia optotech ltd. Bandpass Filter,  Dichroic.asia optotech ltd. Bandpass Filter,  Dichroic.asia optotech ltd. Bandpass Filter,  Dichroic.asia optotech ltd.

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