TECHSPEC® High Performance OD 4.0 Longpass Filters
114 +44 (0) 1904 788600 | Edmund Optics® lenses windows mirrors polarizers & waveplates prisms beamsplitters laser optic assemblies filters
• Cut-On Slope <1%
• Rejection OD ≥4.0
• More Cut-On Wavelength Options Available Online
Substrate: UV Grade Fused Silica
Diameter Tolerance (mm): +0.0/-0.2
Thickness (mm):
12.5mm: 2.0 ±0.1 25mm: 3.0 ±0.1
50mm: 5.0 ±0.1 375nm: 1.5 ±0.1
Clear Aperture (%): >80
Surface Quality: 60-40
Wavefront Distortion: ≤l/4 RMS @ 633nm
Slope Factor (%): <1
Pass Band Transmission (%): ≥91 average
Rejection Band Blocking: OD ≥4.0
Cut-On Tolerance (%): ±1
Angle of Incidence (˚): 0
Coating Type: Hard dielectric sputtered coating
Durability: MIL-C-48497A, Section 3.4.1
Cut-On
l (nm)
Rejection
Band (nm)
Transmission
Band (nm)
12.5mm Diameter 25mm Diameter 50mm Diameter
Stock No. Price Stock No. Price Stock No. Price
375 200 - 365 383 - 1600 #34-301 £148.75 #34-302 £204.00 #34-303 £412.25
400 200 - 390 408 - 1650 #62-974 £140.25 #62-981 £195.50 #84-754 £403.75
425 200 - 415 433 - 1650 #84-736 £140.25 #84-742 £195.50 #84-748 £403.75
475 200 - 465 483 - 1650 #84-737 £140.25 #84-743 £195.50 #84-749 £403.75
500 200 - 490 508 - 1650 #62-976 £140.25 #62-983 £195.50 #84-756 £403.75
525 200 - 515 534 - 1650 #84-738 £140.25 #84-744 £195.50 #84-750 £403.75
550 200 - 539 560 - 1650 #62-977 £140.25 #62-984 £195.50 #84-757 £403.75
575 200 - 564 585 - 1650 #84-739 £140.25 #84-745 £195.50 #84-751 £403.75
600 200 - 588 610 - 1650 #62-978 £140.25 #62-985 £195.50 #84-758 £403.75
625 200 - 613 635 - 1650 #84-740 £140.25 #84-746 £195.50 #84-752 £403.75
650 200 - 637 660 - 1650 #62-979 £140.25 #62-986 £195.50 #84-759 £403.75
675 200 - 662 685 - 1650 #84-741 £140.25 #84-747 £195.50 #84-753 £403.75
Call For Custom Capabilities and OEM Quantity Pricing
Cut-On
l (nm)
Rejection
Band (nm)
Transmission
Band (nm)
12.5mm Diameter 25mm Diameter 50mm Diameter
Stock No. Price Stock No. Price Stock No. Price
700 200 - 686 710 - 1650 #62-980 £140.25 #62-987 £195.50 #84-760 £403.75
725 200 - 705 735 - 1650 #86-060 £148.75 #86-068 £204.00 #86-076 £412.25
750 200 - 735 765 - 1650 #66-226 £148.75 #66-234 £204.00 #84-761 £412.25
775 200 - 760 790 - 1650 #86-061 £148.75 #86-069 £204.00 #86-077 £412.25
800 200 - 785 815 - 1650 #66-227 £148.75 #66-235 £204.00 #84-762 £412.25
825 200 - 805 840 - 1650 #86-062 £148.75 #86-070 £204.00 #86-078 £412.25
850 200 - 835 865 - 1650 #66-228 £148.75 #66-236 £204.00 #84-763 £412.25
875 200 - 860 890 - 1650 #86-063 £148.75 #86-071 £204.00 #86-079 £412.25
Call For Custom Capabilities and OEM Quantity Pricing
Cut-On
l (nm)
Rejection
Band (nm)
Transmission
Band (nm)
12.5mm Diameter 25mm Diameter 50mm Diameter
Stock No. Price Stock No. Price Stock No. Price
900 200 - 880 915 - 1650 #66-229 £148.75 #66-237 £204.00 #84-764 £412.25
925 200 - 905 940 - 1650 #86-064 £148.75 #86-072 £204.00 #86-080 £412.25
950 200 - 930 965 - 1650 #66-230 £148.75 #66-238 £204.00 #84-765 £412.25
975 200 - 955 990 - 1650 #86-065 £148.75 #86-073 £204.00 #86-081 £412.25
1000 200 - 980 1020 - 1650 #66-231 £157.25 #66-239 £212.50 #84-766 £420.75
1025 200 - 1005 1045 - 1650 #86-066 £157.25 #86-074 £212.50 #86-082 £420.75
1050 200 - 1030 1070 - 1650 #66-232 £157.25 #66-240 £212.50 #84-767 £420.75
1075 200 - 1055 1095 - 1650 #86-067 £157.25 #86-075 £212.50 #86-083 £420.75
1100 200 - 1080 1120 - 1650 #66-233 £157.25 #66-241 £212.50 #84-768 £420.75
Call For Custom Capabilities and OEM Quantity Pricing
T (%)
90
80
70
60
50
40
30
20
10
Typical Transmission
0
300 350 400 450 500 550 600 650 700 750
(nm)
400nm 500nm 600nm
T (%)
90
80
70
60
50
40
30
20
10
Typical Transmission
700nm 750nm 800nm
0
650 700 750 800 850
(nm)
T (%)
90
80
70
60
50
40
30
20
10
Typical Transmission
0
800 850 900 950 1000 1050 1100 1150
(nm)
900nm 1000nm 1100nm
900 - 1100nm 700 - 875nm 375 - 675nm
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/