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Home > Laser Eye Protection > Protective Laser Filters

Laser Filters Technology
Absorbing filters are made of materials studied in order to block light of a defined wavelength range of the spectrum; they absorb laser radiation dangerous for the eye and transform it to heat, when laser beam hits the filter. Both plastic and glass can be used for the production of absorbing filters.
Interferential filters base themselves on the physical phenomenon of interference, reflecting different wavelength laser emissions; depending on the wavelength of the light, radiation is partly reflected on each single layer composing the filter. This hightech glass filter is made of several layers which reflect backwards the optical radiation.

Ultra Fast Laser
The term ultrafast laser is used for mode-locked lasers emitting ultrashort pulses, i.e. pulses with durations of fs or ps.
International studies proved that, while highly absorbing filters made from ion-doped mineral glass have very good resistance against ultrafast lasers, polycarbonate filters can vary their absorption under the influence of a laser irradiation.
Our laser filters are certified according M-mode as described in EN207:2009 for laser pulses shorter than 10-9 s; in this norm is required a laser damage test during which the filter shall not lose its protective effect and not show any induced transmission.

Tables and protection levels
D - continuous wave laser View table
I - pulsed laser (pulse length: 10-4 to 10-1 s) View table
R - Q-switched pulsed laser (short pulses; pulse length: 10-9 to 10-7 s) View table
M - mode-locked pulsed laser (ultra short pulses; pulse length: <10-9 s) View table

Click model to see detailed information:

11F-1001 11F-1002 11F-1005 11F-1007 11F-1008 11F-1009 11F-1011 11F-1012 11F-1014
11F-1015 11F-1016 11F-1017 11F-1018 11F-1019 11F-1020 11F-1021 11F-1022 11F-1024
11F-1025 11F-1026 11F-1028 11F-1029 11F-1030 11F-1031 11F-1032
11F-2001 11F-2002 11F-2004 11F-2005 11F-2006 11F-2007 11F-2011 11F-2012
11F-3001 11F-3002 11F-3003 11F-3004 11F-3005


Filters and protection levels for continuous wave operation ("D")

Protection levelWavelenght
190-315 nm315-600 nm600-800 nm800-1400 nm1400-3300 nm3300-11000 nm
D LB911F-2001 190-315
11F-2002 190-315
11F-2004 190-260
11F-2005 190-280
11F-2006 190-315
11F-2007 190-300
11F-3004 180-315
D LB8 11F-3002 515-532 11F-3001 1025-1100
11F-3004 515-532 11F-3003 800-815
11F-3003 1025-1100
11F-3004 1025-1100
11F-3005 750-1150
D LB711F-1001 190-315 11F-2011 875-1400
11F-1009 180-315
11F-1011 190-315
11F-1015 190-315
11F-1016 180-315
11F-1021 180-315
D LB611F-1007 190-315 11F-1005 800-825
11F-1005 885-1075
11F-1008 190-31511F-1009 315-53411F-1008 755-852
11F-1012 190-315 11F-1012 780-1400
11F-1016 315-53411F-1012 605-70511F-1016 945-1070
11F-1014 190-31511F-1020 576-596
11F-1017 190-27511F-1021 315-46511F-1022 750-1115
11F-1022 685-72511F-1024 990-1065
11F-1029 732-850
11F-2002 315-53511F-2001 685-1345
11F-2004 930-1400
11F-2005 855-1400
11F-2006 315-56511F-2007 740-1160
11F-3004 315-515 11F-2011 845-1400
D LB5 11F-1005 190-43011F-1005 785-1085 11F-2011 10600
11F-1008 750-858 11F-2012 900-11500
11F-1009 315-53611F-1011 625-855
11F-1012 595-720
11F-1012 750-1400
11F-1014 683-723
11F-1015 315-38011F-1015 785-870
11F-1016 315-53611F-1015 689-71911F-1016 905-1080
11F-1020 574-597
11F-1021 315-50011F-1022 680-1125
11F-1026 680-79011F-1024 945-1070
11F-1028 582-720
11F-1029 190-53511F-1029 715-1095
11F-1029 880-1085
11F-1030 809-824
11F-2001 675-1360
11F-2004 890-1400
11F-2005 830-1400
11F-2006 315-58011F-2007 720-1210
11F-2011 820-1400
D LB4 11F-1005 770-1100 11F-1001 10600
11F-1007 315-37511F-1007 620-665 11F-1005 10600
11F-1009 315-53811F-1008 745-865
11F-1011 610-865
11F-1012 585-180011F-1012 10600
11F-1014 677-730
11F-1015 775-900
11F-1016 315-53811F-1015 685-72211F-1016 850-1090 11F-1016 10600
11F-1017 585-604
11F-1020 570-598
11F-1021 315-51511F-1022 670-1135
11F-1028 580-72511F-1024 880-1080
11F-1029 690-1100
11F-1030 807-827
11F-1034 775-835
11F-2001 660-140011F-2001 2800-330011F-2001 10600
11F-2004 850-300011F-2004 10600
11F-2005 805-330011F-2005 10600
11F-2007 700-127511F-2011 2060-220011F-2007 10600
11F-2011 800-140011F-2011 2750-2950
11F-3004 2940
D LB3 11F-1005 745-1115 11F-1002 10600
11F-1007 600-670
11F-1009 315-54111F-1008 735-870 11F-1008 9000-11000
11F-1011 593-875
11F-1012 575-1400
11F-1014 667-735
11F-1015 755-920
11F-1016 315-54111F-1015 625-73011F-1016 800-1105
11F-1017 315-535
11F-1020 560-600
11F-1021 315-52511F-1022 630-1150 11F-1022 9000-11000
11F-1028 575-74011F-1024 815-1095
11F-1029 680-1115 11F-1029 10600
11F-1030 804-831
11F-1034 765-840
11F-2001 645-1525
11F-2004 815-1400
11F-2005 775-1400
11F-2007 685-1350
D LB2 11F-1033 2800-30011F-1033 10600
11F-1034 2800-300011F-1034 10600