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Glass Laser Filter WindowsHigh visible light transmission and high protection levels

Below is the range of glass laser viewing windows. Please note that these are available only in the sizes specified.

Filter Ref Laser Type Blocking Wavelength (nm) EN 207
LB no.s
Visible Light Transmission (%) / Colour Thickness
(mm)
FW-LRG1KBA Nd:YAG
Ho:YAG
Er:YAG
CO2
950 – 1000
>1000 – 1050
>1050 – 1400
>1400 – 2700
>2700 – 3000
5400-5400
10600 – 10600
DIR LB5
D LB6 + IR LB7
D LB6 + IR LB8
D LB4 + IR LB3
DIRM LB4
DIRM LB4
DIRM LB4
70  clear 5 – 6
FW-LRG1KFA Nd:YAG
Ho:YAG
Er:YAG
CO2
900 – 1050
>1050 – 1400
>1400 – 3000
>3000 – 11500
DIRM LB6
D LB7 + IR LB8 + M LB9
DIRM LB4
DI LB4 + R LB2 + M LB3
60 / light grey 7
FW-LRS1DAA UV
KTP
180 – 315
>315 – 355
>355 – 367
>367 – 369
>369 – 371
>371 – 373
>373 – 375
>375 – 377
>377 – 380
>380 – 384
3950 – <4700
4700 – <4765
4765 – <5200
5200 – 14500
5400 – 5400
9000 – 11500
>14500 -25000
D LB10 + IR LB4 + M LB6Y
D LB6 + IR LB8 + M LB7Y
D LB6 + IR LB8 + M LB7Y
D LB6 + IR LB7 + M LB7Y
DIRM LB6
DIRM LB5
DIRM LB4
DIRM LB3
DIRM LB2
DIRM LB1
DIM LB4 + R LB3Y
DIM LB5 + R LB3Y
DI LB5 + R LB3Y + M LB6Y
DI LB5 + R LB3Y + M LB6Y
D LB4 + I LB3
D LB4 + I LB3
DI LB5 + R LB3Y + M LB6Y
90 Colourless 6
FW-LRG1EBA UV
KTP
180 – 315
315 – 532
D LB10 + IR LB5 + M LB5Y
D LB7 + IR LB8 + M LB8Y
30 / orange 5 – 8
FW-LRG1KCA Nd:YAG
Ho:YAG
Er:YAG
CO2
900 – 1000
>1000 – 1050
>1050 – 1400
>1400 – 2100
>2100 – 25000
DIRM LB4
DIRM LB7
D LB7 + IR LB8 + M LB8Y
DI LB5 + R LB3Y + M LB3
DIM LB4 + R LB3Y
66 / light grey 7
FW-LRG1LEA UV
KTP
Nd:YAG
180 – 315
315 – 532
1030 – 1100
D LB10 + IR LB5
D LB7 + IR LB8 + M LB8Y
D LB7 + I LB9 + R LB8 + M LB8Y
30 /orange 8 – 10
FW-LRG1KAA Ruby
Near IR
Nd:YAG
CO2
647 – 689
690 – 749
750 – 1200
>1200 – 1320
>1320 – 1400
>1400 – 1520
>1520 – 1550
9000 – 11000
DIRM LB3
DIRM LB6
D LB7 + IR LB8 + M LB8Y
DIRM LB6
DIRM LB3
DIRM LB3
DIRM LB2
DI LB3
45 / green 7
FW-LRG1QCA Alexandrite
Nd:YAG
630-635
750-800
>800-1064
>1064-1100
>3000-25000
0.01W 2x10E-6J RB1
D LB6 + IRM LB8
D LB6 + IR LB8 + M LB9
D LB6 + IRM LB8
DI LB4 + R LB3Y + M LB4Y
45 / green 4 – 5

Sizes

These glass filter windows are available in A4 (297 x 210mm)
except for FW-LRG1KBA and FW-LRG1QCA (200 x 100mm)
FW-LRS1DAA is available up to 3000 x 2000mm