| 48-205 25 mm Dia. UVFS Laser Line Window; t=3 mm Laser V-Coat 266nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 38-963 25.4 mm Dia. N-BK7 Laser Line Window; t=6.35 mm Laser V-Coat 532nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 38-934 38.1 mm Dia. N-BK7 Laser Line Window; t=9.53 mm Laser V-Coat 355nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 11-748 50.8 mm Dia. UVFS Ultrafast Flat Window; t=1 mm BBAR 370-550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-745 50.8 mm Dia. UVFS Ultrafast Flat Window; t=1 mm BBAR 700-900nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-749 12.7 mm Dia. UVFS Ultrafast Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 38-982 12.7 mm Dia. UVFS Laser Line Window; t=6.35 mm Laser V-Coat 1064nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-861 20 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 266nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-851 5 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 266nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-858 10 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 532nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-854 5 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 1064nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-254 25.4 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 515nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-259 12.7 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 532nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-270 25.4 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 1030nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-852 5 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 355nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-857 10 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 355nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-274 50.8 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=9.53 mm Ultra V-Coat 1030nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-278 25.4 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 1064nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-862 20 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 355nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-853 5 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 532nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-224 38.1 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 266nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-262 25.4 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 532nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 68-818 32 mm Dia. Sodium Chloride Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 39-283 12.7 mm Dia. Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 46-100 50.8 mm Dia. Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 46-102 76.2 mm Dia. Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 39-286 88.9 mm Dia. Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 48-860 254 mm Dia. Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 46-099 50.8 x 50.8 mm Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 63-221 254.0 x 304.8 mm Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 63-216 127 mm Dia. Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 87-699 5 mm Dia. Barium Fluoride Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | BAF2 | Circular |
| 46-097 25.4 x 25.4 mm Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 48-927 76.2 x 76.2 mm Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 46-101 76.2 x 76.2 mm Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 47-681 10 mm Dia. Calcium Fluoride Protective Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | CaF2 | Circular |
| 63-209 40 mm Dia. Calcium Fluoride Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | CaF2 | Circular |
| 30-648 4.5 mm Dia. Float Glass Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 48-929 101.6 x 101.6 mm Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 46-103 101.6 x 101.6 mm Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 63-217 127.0 x 177.8 mm Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 02-075 6.3 mm Dia. Float Glass Protective Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 83-365 40 mm Dia. Gorilla Glass Protective Flat Window; t=1.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 83-366 50 mm Dia. Gorilla Glass Protective Flat Window; t=1.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-853 50.0 x 50.0 mm Gorilla Glass Protective Flat Window; t=1.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 63-219 203.2 x 254.0 mm Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 43-974 203.2 x 254.0 mm Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 12-296 10 x 100 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 12-311 12.7 x 63.5 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 64-095 50 mm Dia. Magnesium Fluoride Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Magnesium Fluoride | Circular |
| 12-315 25.4 x 76.2 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 47-683 25 mm Dia. Calcium Fluoride Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | CaF2 | Circular |
| WGP5011 50 mm Dia. Schott Borofloat 33 Round Window; t=3.3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Circular |
| WGE2504 25 mm Dia. Germanium Round Window; t=4mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WGE1803 18 mm Dia. Germanium Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WGE2523 23.5 x 25 mm Germanium Rectangular Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Rectangular |
| WHS1300 12.5 mm Dia. Sapphire Random Cut Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS0500 5 mm Dia. Sapphire Random Cut Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WSC1301 12.5 mm Dia. C-Cut Sapphire Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WSC4002 40 mm Dia. C-Cut Sapphire Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WBF2506 25.4 mm Dia. Barium Fluoride Round Window; t=6mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Circular |
| WBF2502 25.4 mm Dia. Barium Fluoride Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Circular |
| WBF1010 10 x 10 mm Barium Fluoride Rectangular Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Rectangular |
| 220-0206E 25.4 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0566E 50.8 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 550-7123 12.7 mm Dia. Sapphire Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 550-7251 25.4 mm Dia. Sapphire Window; t=1 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 560-6250 25.4 mm Dia. Zinc Selenide Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | ZnSe | Circular |
| 560-6503 50.8 mm Dia. Zinc Selenide Window; t=5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | ZnSe | Circular |
| WQK4040 40 x 40 mm N-BK7 Precision Rectangular Window; t=6mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Rectangular |
| WQK5050 50 x 50 mm N-BK7 Precision Rectangular Window; t=8mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Rectangular |
| WGP5051 50 x 50 mm Schott Borofloat 33 Rectangular Window; t=3.3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Rectangular |
| WHP1000 10 mm Dia. Schott Borofloat 33 Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Circular |
| WHP2500 25 mm Dia. Schott Borofloat 33 Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Circular |
| WHP2511 25 mm Dia. Schott Borofloat 33 Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Circular |
| WGE3001 30 mm Dia. Germanium Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WGE2911 11.7 x 29.5 mm Germanium Rectangular Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Rectangular |
| WGE3002 30 mm Dia. Germanium Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WGE1005 10 mm Dia. Germanium Round Window; t=0.5mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WGE1902 19 mm Dia. Germanium Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WHS1600 16 mm Dia. Sapphire Random Cut Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS3000 30 mm Dia. Sapphire Random Cut Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS4000 40 mm Dia. Sapphire Random Cut Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS5033 50 mm Dia. Sapphire Random Cut Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WBF2500 25 mm Dia. Barium Fluoride Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Circular |
| WBF2201 22 mm Dia. Barium Fluoride Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Circular |
| 220-0403E 38.1 mm Dia. N-BK7 Precision Round Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0503M 50.0 mm Dia. N-BK7 Precision Round Window; t=12 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0166E 12.7 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0236E 25.4 mm Dia. N-BK7 Precision Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0586E 50.8 mm Dia. N-BK7 Precision Round Window; t=8 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0586M 50.0 mm Dia. N-BK7 Precision Round Window; t=8 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 520-6385 38.1 mm Dia. Magnesium Fluoride Window; t=5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Magnesium Fluoride | Circular |
| 530-5506 50.8 mm Dia. UV grade CaF2 Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | CaF2 | Circular |
| 550-7124 12.7 mm Dia. Sapphire Window; t=4 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 550-7200 20.0 mm Dia. Sapphire Window; t=0.5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 550-7201 20.0 mm Dia. Sapphire Window; t=1 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 560-6120 12.7 mm Dia. Zinc Selenide Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | ZnSe | Circular |
| 560-6121 12.7 mm Dia. Zinc Selenide Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | ZnSe | Circular |
| WQK1500 15 mm Dia. N-BK7 Precision Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Circular |