DeLn optics can supply a full range of filter:Colored Glass Filters,Stepped Variable ND Filters,Continuously Variable ND Filters,Fixed ND Filters,Biochemical Filters, Bandpass Filters,Long Wavepass Filters,Short Wavepass Filters, IR Cut-off Filters / UV-IR-Cut Filters,Additive and Subtractive Dichroic Color Filters,Birefringent Filters.
1.Colored Glass Filters
DeLn can provide various color glass filters, the color glass filters are widely used in safety glasses, industrial measurement, regulation technology and environment protection.
Frequently used color glass
|
GG Series |
GG10, GG19 GG375, GG400, GG420, GG455, GG475, GG495,GG590 |
|
OG Series |
OG530, OG550, OG570, OG590 |
|
RG Series |
RG6, RG7 RG610, RG630, RG645, RG665, RG695, RG715, RG780, RG830 |
|
UG Series |
UG1, UG5, UG11 |
|
KG Series |
KG2, KG3 |
|
NG Series |
NG1, NG3, NG4, NG5, NG9, NG11 |
|
WG Series |
WG280, WG295, WG320, WG345, WG360 |
|
BG Series |
BG3, BG7, BG12, BG14, BG18, BG25, BG28, BG38, BG39 |
|
VG Series |
VG5, VG6, VG8, VG9, VG10, VG11 |
|
FG Series |
FG3, FG6 FG15,FG16,FG18 |
Specification
Dimension tolerance: 0.1mm
Surface quality: 60-40 scratcg and dig
Flatness: 2l at 632.8nm per inch
Parallelism: < 5 arc minute
Protective Bevel
2.Variable ND Filters
|
Substrate Material
|
N-BK7
|
|
Thickness
|
1.5mm
|
|
Parallelism
|
+/-3 arc min.
|
|
Density deviation
|
+/-5%
|
|
Surface quality
|
60/40
|
|
Design Wavelength
|
400-700nm
|
|
Optical Density (O.D) of Continuously Variable ND Filter
|
0.04-1.0
|
|
0.04-2.0
|
|
|
0.04-3.0
|
|
|
0.04-4.0
|
Optical Density of Stepped Variable ND Filter
|
OD:0.04-1.0
|
0.04
|
0.1
|
0.2
|
0.3
|
0.4
|
0.5
|
0.6
|
0.7
|
0.8
|
0.9
|
1
|
|
OD:0.04-2.0
|
0.04
|
0.2
|
0.4
|
0.6
|
0.8
|
1
|
1.2
|
1.4
|
1.6
|
1.8
|
2
|
|
OD:0.04-3.0
|
0.04
|
0.3
|
0.6
|
0.9
|
1.2
|
1.5
|
1.8
|
2.1
|
2.4
|
2.7
|
3
|
3.Fixed ND Filters
Fixed ND fliers are used to attenuate light over a wide spectral range by coating a durable metallic film. These filers can be used for white light as well as for lasers.
|
Substrate
|
N-BK7(400-700nm),UV Grade Fused Silica(200-700nm and 700-1100nm)
|
|
Diameter Tolerance
|
+0.0/-0.1mm(12.5mm,25mm,50mm)
|
|
Thickness Tolerance
|
±0.1mm (1.5mm,3mm,5mm)
|
|
Flatness
|
λ/10 at 632.8nm
|
|
Surface Quality
|
20/10 scratch and dig
|
|
Parallelism
|
<5 arc seconds
|
|
Clear Aperture
|
>90%
|
|
OD Tolerance
|
±5% of OD
|
|
Coating
|
Metallic Based ND
|
4.Circular Variable ND filters
Circular ND filters provide continuously variable, linear attenuation of light by rotating the filter about its center. Transmitted intensity varies as a function of the optical density range. The filter can be used for white light as well as for lasers. A large finite aperture can be attenuated by counter rotating two filters in series. Sizes are available from 25.4 mm to over 100 mm in diameter. The useable wavelength range is from 250nm to 2500nm.
Specifications
|
Substrate Material
|
N-BK7, UV grade fused silica
|
|
Outside Diameter
|
25.4mm, 50mm, 100mm
|
|
Inside Diameter
|
7.5mm, 8.0mm, 8.3mm
|
|
Outside Diameter Tolerance
|
+0/-0.25mm
|
|
Inside Diameter Tolerance
|
+0.25/-0mm
|
|
Thickness
|
1.5mm+/-0.25mm, 2mm+/-0.25mm
|
|
Parallelism
|
+/-3 arc min.
|
|
Standard Linearity
|
+/-5% of end density value
|
|
Surface quality
|
60/40
|
|
Deviation of Density End Point
|
+/-5% of end density value
|
|
Design Wavelength
|
400-700nm(N-BK7)
|
|
380-2000nm (N-BK7)
|
|
|
250-2500nm ( UV Fused silica )
|
|
|
Coated Area
|
0 to 270 degree Standard
|
|
Optical density (O.D) of Circular Continuously Variable ND filters
|
0.04-1.0
|
|
0.04-1.5
|
|
|
0.04-2.0
|
|
|
0.04-3.0
|
|
|
0.04-4.0
|
DeLn Optics can also provide Circular Stepped Variable Neutral Density (ND) Filters, These filters are available with 11 steps and are made from BK7 or UV Fused Silica substrates for visible and UV light applications.
Optical Density (O.D) of Circular Stepped Variable ND Filter
|
OD:0.04-1.0
|
0.04
|
0.1
|
0.2
|
0.3
|
0.4
|
0.5
|
0.6
|
0.7
|
0.8
|
0.9
|
1
|
|
OD:0.04-2.0
|
0.04
|
0.2
|
0.4
|
0.6
|
0.8
|
1
|
1.2
|
1.4
|
1.6
|
1.8
|
2
|
|
OD:0.04-3.0
|
0.04
|
0.3
|
0.6
|
0.9
|
1.2
|
1.5
|
1.8
|
2.1
|
2.4
|
2.7
|
3
|
5.Biochemical Filters
DeLn Optics standard biomedical filters have been widely applied for biochemical analyzers and ELIASA.
DeLn Optics biomedical filters in are all with excellent out-of-band blocking exceed OD6 which can provide high signal-to-noise. And the biomedical filters are with extraordinary hardness, abrasion resistance, which means nearly unlimited lifetime.
|
Diameter
|
10mm, 12mm, 15mm, 20mm
|
|
Thickness
|
< 8mm
|
|
Central wavelength Tolerance
|
±2nm
|
|
FWHM tolerance
|
±2nm
|
|
Surface Quality
|
60/40
|
|
Angle Sensitivity
|
Intended for collimated input
|
|
Operating Temp Range
|
-50℃ to 75℃
|
|
Blocking
|
OD6
|
|
Mount
|
Black-anodized aluminum ring
|
|
Part No.
|
CWL(nm)
|
FWHM(nm)
|
Tpk(%)
|
|
BF0101
|
340
|
10
|
45
|
|
BF0102
|
380
|
8
|
45
|
|
BF0103
|
405
|
8
|
45
|
|
BF0104
|
415
|
8
|
45
|
|
BF0105
|
450
|
8
|
45
|
|
BF0106
|
492
|
8
|
45
|
|
BF0107
|
505
|
8
|
45
|
|
BF0108
|
510
|
8
|
45
|
|
BF0109
|
540
|
8
|
45
|
|
BF0110
|
546
|
8
|
45
|
|
BF0111
|
550
|
8
|
45
|
|
BF0112
|
570
|
8
|
45
|
|
BF0113
|
578
|
8
|
45
|
|
BF0114
|
600
|
8
|
45
|
|
BF0115
|
620
|
8
|
45
|
|
BF0116
|
630
|
8
|
45
|
|
BF0117
|
650
|
8
|
45
|
|
BF0118
|
670
|
8
|
45
|
|
BF0119
|
690
|
8
|
45
|
Note: Custom matched biomedical filters are available upon request.
6. Bandpass Filters
|
Diameter (mm)
|
12.5 or 25 or 50
|
|
Thickness of Mount (mm)
|
8 max
|
|
Blocking Wavelength Range (nm)
|
200-1200
|
|
Surface Quality
|
80-50
|
|
Angle Sensitivity
|
Intended for Collimated Input
|
|
Operating Temperature (°C)
|
-50 to +75
|
|
Construction
|
Mounted in Black Anodized Ring
|
|
Part No.
|
CWL±2(nm)
|
FWHM±2(nm)
|
Tpk(%)at OD6
|
|
UNBF0101
|
214
|
11
|
>12
|
|
UNBF0102
|
220
|
11
|
>12
|
|
UNBF0103
|
228
|
11
|
>12
|
|
UNBF0104
|
232
|
11
|
>12
|
|
UNBF0105
|
239
|
11
|
>12
|
|
UNBF0106
|
248
|
11
|
>12
|
|
UNBF0107
|
250
|
11
|
>12
|
|
UNBF0108
|
254
|
11
|
>12
|
|
UNBF0109
|
260
|
11
|
>12
|
|
UNBF0110
|
265
|
11
|
>15
|
|
UNBF0111
|
270
|
11
|
>15
|
|
UNBF0112
|
280
|
11
|
>15
|
|
UNBF0113
|
289
|
11
|
>15
|
|
UNBF0114
|
297
|
11
|
>15
|
|
UNBF0115
|
300
|
11
|
>15
|
|
UNBF0116
|
307
|
11
|
>15
|
|
UNBF0117
|
310
|
11
|
>15
|
|
UNBF0118
|
313
|
11
|
>20
|
|
UNBF0119
|
326
|
11
|
>20
|
|
UNBF0120
|
330
|
11
|
>20
|
|
UNBF0121
|
334
|
11
|
>20
|
|
UNBF0122
|
337
|
11
|
>40
|
|
UNBF0123
|
340
|
8-10
|
>60
|
|
UNBF0124
|
350
|
8-10
|
>60
|
|
UNBF0125
|
355
|
8-10
|
>60
|
|
UNBF0126
|
360
|
8-10
|
>60
|
|
UNBF0127
|
365
|
8-10
|
>60
|
|
UNBF0128
|
370
|
8-10
|
>60
|
|
UNBF0129
|
380
|
8-10
|
>60
|
|
UNBF0130
|
394
|
8-10
|
>60
|
|
Diameter (mm)
|
12.5 or 25 or 50
|
|
Thickness of Mount (mm)
|
8 max
|
|
FWHM(nm)
|
10±2
25±5
40±8
|
|
Blocking Wavelength Range (nm)
|
200-1200
|
|
Surface Quality
|
80-50
|
|
Angle Sensitivity
|
Intended for Collimated Input
|
|
Operating Temperature (°C)
|
-50 to +75
|
|
Construction
|
Mounted in Black Anodized Ring
|
|
Part No.
|
CWL±2(nm)
|
FWHM(nm)
|
Tpk(%) at OD5
|
|
VNBF0101
|
400
|
10-40
|
60
|
|
VNBF0102
|
405
|
10-40
|
60
|
|
VNBF0103
|
410
|
10-40
|
60
|
|
VNBF0104
|
415
|
10-40
|
60
|
|
VNBF0105
|
420
|
10-40
|
60
|
|
VNBF0106
|
430
|
10-40
|
60
|
|
VNBF0107
|
436
|
10-40
|
60
|
|
VNBF0108
|
441
|
10-40
|
60
|
|
VNBF0109
|
450
|
10-40
|
75
|
|
VNBF0110
|
455
|
10-40
|
75
|
|
VNBF0111
|
460
|
10-40
|
75
|
|
VNBF0112
|
465
|
10-40
|
75
|
|
VNBF0113
|
470
|
10-40
|
75
|
|
VNBF0114
|
480
|
10-40
|
75
|
|
VNBF0115
|
486
|
10-40
|
75
|
|
VNBF0116
|
488
|
10-40
|
75
|
|
VNBF0117
|
492
|
10-40
|
75
|
|
VNBF0118
|
500
|
10-40
|
75
|
|
VNBF0119
|
505
|
10-40
|
75
|
|
VNBF0120
|
508
|
10-40
|
75
|
|
VNBF0121
|
510
|
10-40
|
75
|
|
VNBF0122
|
514
|
10-40
|
75
|
|
VNBF0123
|
520
|
10-40
|
75
|
|
VNBF0124
|
532
|
10-40
|
75
|
|
VNBF0125
|
540
|
10-40
|
75
|
|
VNBF0126
|
546
|
10-40
|
75
|
|
Part No.
|
CWL±2(nm)
|
FWHM±2(nm)
|
Tpk(%) at OD5
|
|
VNBF0127
|
550
|
10-40
|
75
|
|
VNBF0128
|
560
|
10-40
|
75
|
|
VNBF0129
|
570
|
10-40
|
75
|
|
VNBF0130
|
577
|
10-40
|
75
|
|
VNBF0131
|
580
|
10-40
|
75
|
|
VNBF0132
|
590
|
10-40
|
75
|
|
VNBF0133
|
600
|
10-40
|
75
|
|
VNBF0134
|
610
|
10-40
|
75
|
|
VNBF0135
|
620
|
10-40
|
75
|
|
VNBF0136
|
630
|
10-40
|
75
|
|
VNBF0137
|
632
|
10-40
|
75
|
|
VNBF0138
|
635
|
10-40
|
75
|
|
VNBF0139
|
647
|
10-40
|
75
|
|
VNBF0140
|
650
|
10-40
|
75
|
|
VNBF0141
|
656
|
10-40
|
75
|
|
VNBF0142
|
671
|
10-40
|
75
|
|
VNBF0143
|
676
|
10-40
|
75
|
|
VNBF0144
|
680
|
10-40
|
75
|
|
VNBF0145
|
685
|
10-40
|
75
|
|
VNBF0146
|
690
|
10-40
|
75
|
|
VNBF0147
|
694
|
10-40
|
75
|
|
Diameter (mm)
|
12.5 or 25 or 50
|
|
Thickness of Mount (mm)
|
8 max
|
|
Blocking Wavelength Range (nm)
|
200-1200
|
|
Surface Quality
|
80-50
|
|
Angle Sensitivity
|
Intended for Collimated Input
|
|
Operating Temperature (°C)
|
-50 to +75
|
|
Construction
|
Mounted in Black Anodized Ring
|
|
Part No.
|
CWL±2(nm)
|
FWHM±2(nm)
|
Tpk(%) @ OD4
|
|
NIBF0101
|
700
|
10
|
80
|
|
NIBF0102
|
710
|
10
|
80
|
|
NIBF0103
|
720
|
10
|
80
|
|
NIBF0104
|
730
|
10
|
80
|
|
NIBF0105
|
740
|
10
|
80
|
|
NIBF0106
|
750
|
10
|
80
|
|
NIBF0107
|
766
|
10
|
80
|
|
NIBF0108
|
780
|
10
|
80
|
|
NIBF0109
|
785
|
10
|
80
|
|
NIBF0110
|
790
|
10
|
80
|
|
NIBF0111
|
795
|
10
|
80
|
|
NIBF0112
|
800
|
10
|
80
|
|
NIBF0113
|
810
|
10
|
80
|
|
NIBF0114
|
820
|
10
|
80
|
|
NIBF0115
|
830
|
10
|
80
|
|
NIBF0116
|
840
|
10
|
80
|
|
NIBF0117
|
850
|
10
|
80
|
|
NIBF0118
|
852
|
10
|
80
|
|
NIBF0119
|
860
|
10
|
80
|
|
NIBF0120
|
870
|
10
|
80
|
|
NIBF0121
|
880
|
10
|
80
|
|
NIBF0122
|
890
|
10
|
80
|
|
NIBF0123
|
900
|
10
|
80
|
|
NIBF0124
|
905
|
10
|
80
|
|
NIBF0125
|
910
|
10
|
80
|
|
NIBF0126
|
920
|
10
|
80
|
|
NIBF0127
|
930
|
10
|
80
|
|
NIBF0128
|
940
|
10
|
80
|
|
Part No.
|
CWL±2(nm)
|
FWHM±2(nm)
|
Tpk(%) @ OD4
|
|
NIBF0129
|
950
|
10-20
|
80
|
|
NIBF0130
|
960
|
10-20
|
80
|
|
NIBF0131
|
970
|
10-20
|
80
|
|
NIBF0132
|
980
|
10-20
|
80
|
|
NIBF0133
|
990
|
10-20
|
80
|
|
NIBF0134
|
1000
|
10-20
|
80
|
|
NIBF0135
|
1030
|
10-20
|
80
|
|
NIBF0136
|
1050
|
10-20
|
80
|
|
NIBF0137
|
1053
|
10-20
|
80
|
|
NIBF0138
|
1064
|
10-20
|
80
|
|
NIBF0139
|
1070
|
10-20
|
80
|
|
NIBF0140
|
1080
|
10-20
|
80
|
|
NIBF0141
|
1100
|
10-20
|
80
|
|
NIBF0142
|
1150
|
10-20
|
80
|
|
NIBF0143
|
1152
|
10-20
|
80
|
|
NIBF0144
|
1200
|
10-20
|
80
|
|
NIBF0145
|
1300
|
10-20
|
80
|
|
NIBF0146
|
1310
|
10-20
|
80
|
|
NIBF0147
|
1315
|
10-20
|
80
|
|
NIBF0148
|
1320
|
10-20
|
80
|
|
NIBF0149
|
1400
|
10-20
|
80
|
|
NIBF0150
|
1450
|
10-20
|
80
|
|
NIBF0151
|
1500
|
10-20
|
80
|
|
NIBF0152
|
1523
|
10-20
|
80
|
|
NIBF0153
|
1550
|
10-20
|
80
|
|
NIBF0154
|
1570
|
10-20
|
80
|
7.Long Wavepass Filters
|
Substrate
|
UV Grade Fused Silica
|
|
Diameter (mm)
|
12.5,25,50
|
|
Diameter Tolerance (mm)
|
+0/-0.1
|
|
Clear Aperture (%)
|
>90
|
|
Thickness (mm)
|
2
|
|
Thickness Tolerance (mm)
|
±0.1
|
|
Transmission (%)
|
≥90
|
|
Cut-On Tolerance (nm)
|
±10 of 50% of peak transmission
|
|
Surface Quality
|
40-20
|
|
Optical Density OD
|
5
|
|
Coating
|
Hard Dielectric Sputtered
|
|
Durability
|
MIL-C-48497A, Section 3.4.1
|
|
Angle of Incidence (°)
|
0° ± 5°
|
|
Cut-On Wavelength (nm)
|
Rejection Wavelength (nm)
|
Transmission Wavelength (nm)
|
Part No.
|
|
400
|
200-390
|
410-1100
|
VIS-LPF400
|
|
425
|
200-415
|
435-1100
|
VIS-LPF425
|
|
450
|
200-440
|
460-1100
|
VIS-LPF450
|
|
475
|
200-465
|
485-1100
|
VIS-LPF475
|
|
500
|
200-490
|
510-1100
|
VIS-LPF500
|
|
525
|
200-515
|
535-1100
|
VIS-LPF525
|
|
550
|
200-540
|
560-1100
|
VIS-LPF550
|
|
575
|
200-565
|
585-1100
|
VIS-LPF575
|
|
600
|
200-590
|
610-1100
|
VIS-LPF600
|
|
625
|
200-615
|
635-1100
|
VIS-LPF625
|
|
650
|
200-640
|
660-1100
|
VIS-LPF650
|
|
675
|
200-665
|
685-1100
|
VIS-LPF675
|
|
700
|
200-690
|
710-1100
|
VIS-LPF700
|
|
725
|
200-705
|
735-1100
|
NIR-LPF725
|
|
750
|
200-735
|
765-1100
|
NIR-LPF750
|
|
775
|
200-760
|
790-1100
|
NIR-LPF775
|
|
800
|
200-785
|
815-1100
|
NIR-LPF800
|
|
825
|
200-805
|
840-1100
|
NIR-LPF825
|
|
850
|
200-840
|
860-1100
|
NIR-LPF850
|
8.Short Wavepass Filters
|
Substrate
|
UV Grade Fused Silica
|
|
Diameter (mm)
|
12.5,25,50
|
|
Diameter Tolerance (mm)
|
+0/-0.1
|
|
Clear Aperture (%)
|
>90
|
|
Thickness (mm)
|
2
|
|
Thickness Tolerance (mm)
|
±0.1
|
|
Transmission (%)
|
≥90
|
|
Cut-On Tolerance (nm)
|
±10 of 50% of peak transmission
|
|
Surface Quality
|
40-20
|
|
Optical Density OD
|
4
|
|
Coating
|
Hard Dielectric Sputtered
|
|
Durability
|
MIL-C-48497A, Section 3.4.1
|
|
Angle of Incidence (°)
|
0° ± 5°
|
|
Cut-On Wavelength (nm)
|
Rejection Wavelength (nm)
|
Transmission Wavelength (nm)
|
Part No.
|
|
400
|
410-1100
|
300-390
|
VIS-SPF400
|
|
425
|
435-1100
|
325-415
|
VIS-SPF425
|
|
450
|
460-1100
|
350-440
|
VIS-SPF450
|
|
475
|
485-1100
|
375-465
|
VIS-SPF475
|
|
500
|
515-1100
|
400-490
|
VIS-SPF500
|
|
525
|
540-1100
|
425-515
|
VIS-SPF525
|
|
550
|
565-1100
|
425-540
|
VIS-SPF550
|
|
575
|
590-1100
|
425-565
|
VIS-SPF575
|
|
600
|
615-1100
|
425-585
|
VIS-SPF600
|
|
625
|
640-1100
|
425-615
|
VIS-SPF625
|
|
650
|
665-1100
|
425-635
|
VIS-SPF650
|
|
675
|
690-1100
|
425-660
|
VIS-SPF675
|
|
700
|
715-1100
|
440-685
|
VIS-SPF700
|
|
725
|
740-1100
|
440-710
|
NIR-SPF725
|
|
750
|
775-1100
|
440-740
|
NIR-SPF750
|
|
775
|
795-1100
|
440-760
|
NIR-SPF775
|
|
800
|
825-1100
|
440-790
|
NIR-SPF800
|
|
825
|
850-1100
|
440-810
|
NIR-SPF825
|
|
850
|
880-1100
|
440-840
|
NIR-SPF850
|
9.IR Cut-off Filters / UV-IR-Cut Filters
Infrared (IR) cut-off filters are used with color CCD or CMOS imagers to produce true color images. An IR cut-off filter blocks the transmission of the infrared while passing the visible.
|
Material
|
Schott D263T or other glass
|
|
Thickness
|
0.3, 0.5, 0.7 and 1.1mm.
|
|
Size
|
80 x 80mm MAX
|
|
Dimensional tolerance
|
+/-0.1mm
|
|
Surface quality
|
80/50
|
|
Coating
|
Front Surface with filter coating
Back Surface with custom AR coating or without AR coating
|
|
Cut-off Wavelength
|
Specifications
|
Part No.
|
|
630nm
|
|
IRCUT-630
|
|
635nm
|
Tmin.≥85% at 400～420 nm
|
IRCUT-635
|
|
645nm
|
Tmin≥88%, Tave≥90% at 420～620 nm,
|
IRCUT-645
|
|
650nm
|
T=50% at DWL(Design wavelength)+/-10nm
|
IRCUT-650
|
|
680nm
|
Tmax≤1% at 750 ~ 850 nm
|
IRCUT-680
|
|
690nm
|
Tmax≤2%,Tave <1.35% at 850 ~ 1000 nm
|
IRCUT-690
|
|
700nm
|
Tmax≤4% at 1000～1100 nm,
|
IRCUT-700
|
|
705nm
|
|
IRCUT-705
|
Note: Other types are available upon request.
UV-IR-Cut Filters
DeLn Optics can also provide UV-IR-Cut Filters. The UV-IR-Cut Filters can prevent ultraviolet light and infrared light, only for visible light passing through, effectively avoid the effects caused by ultraviolet and infrared radiation on CCD imaging, and also prevent artifact or corrugation to make the imaging more clear and stable.
The frequently used the following specifications
|
Material
|
Schott D263T or other glass
|
|
Thickness
|
0.3, 0.5, 0.7 and 1.1mm.
|
|
Size
|
80 x 80mm MAX
|
|
Dimensional tolerance
|
+/-0.1mm
|
|
Surface quality
|
80/50
|
|
Coating
|
Tavg<10% at 350～405 nm
|
|
T=50% at 415nm+/-10nm
|
|
|
T>85%,Tavg >90% at 430 ~ 630 nm
|
|
|
T=50% at 650nm+/-10nm
|
|
|
Tmax≤3% at 700～1100 nm
|
Note: Other types are available upon request.
10.Dichroic Color Filters / Birefringent Filter
Additive and Subtractive Dichroic Color Filters
Additive and Subtractive Dichroic Color Filters are commonly used for color separation and contrast enhancement applications. These filters are easily integrated into a variety of existing camera and illumination setups.
|
Additive
|
Substrate: Soda Line Glass, Thickness: 0.3mm, 0.5mm, 0.7mm, 1.1mm, 1.75mm, 3.3mm
|
|
Red
|
Tave>80% at 605-700nm,Tave<1% at 400-565nm
|
|
Blue
|
Tave>80% at 400-510nm,Tave<1% at 550-700nm
|
|
Green
|
Tave>80% at 510-560nm,Tave<1% at 400-480nm & 600-700nm
|
|
Subtractive Substrate: Soda Line Glass, Thickness: 0.3mm, 0.5mm, 0.7mm, 1.1mm, 1.75mm, 3.3mm
|
|
|
Cyan
|
Tave>80% at 400-550nm,Tave<1% at 630-700nm
|
|
Magenta
|
Tave>80% at 400-470nm & 650-750nm,Tave<1% at 535-565nm
|
|
Yellow
|
Tave>85% at 540-700nm,Tave<1% at 410-490nm
|
Note:
Other sizes and specifications are available upon request.
The 45° Reflective Dichroic Color Filters are available upon request.
We can also produce according to customer-supplied samples.
11.Birefringent Filter
|
Material
|
Crystal Quartz
|
|
Diameter
|
12.7 +0/-0.1mm; 25.4 +0/-0.1mm
|
|
Thickness Tolerance
|
±0.005mm
|
|
Wavefront Distortion
|
<λ/8 at 632.8nm
|
|
Surface Quality
|
20/10 scratch and dig
|
|
Parallelism
|
<5 arc seconds
|
|
Clear Aperture
|
>90%
|
|
Thickness
|
T=0.5mm, 1mm, 1.5mm, 2.0mm, 4mm
|