| 11-909 50 mm Dia. UVFS Round Protective Flat Window; t=5 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-955 50 mm Dia. UVFS Round Protective Flat Window; t=6 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-954 50 mm Dia. UVFS Round Protective Flat Window; t=6 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-963 75 mm Dia. UVFS Round Protective Flat Window; t=5 mm UV-AR 250-425nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-902 25 mm Dia. UVFS Round Protective Flat Window; t=3 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 84-456 30 mm Dia. UVFS Round Protective Flat Window; t=4 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-937 50 mm Dia. UVFS Round Protective Flat Window; t=1 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-948 50 mm Dia. UVFS Round Protective Flat Window; t=3 mm UV-AR 250-425nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-935 75 mm Dia. UVFS Round Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-960 75 mm Dia. UVFS Round Protective Flat Window; t=3 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 66-188 25 mm Dia. N-BK7 Ultra-Thin Protective Flat Window; t=0.2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 84-464 20 mm Dia. UVFS Round Protective Flat Window; t=2 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 47-199 25 mm Dia. UVFS Round Protective Flat Window; t=3 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 84-465 25 mm Dia. UVFS Round Protective Flat Window; t=3 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-878 25 mm Dia. UVFS Round Protective Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-067 30 mm Dia. UVFS Round Protective Flat Window; t=4 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-906 50 mm Dia. UVFS Round Protective Flat Window; t=1 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-950 50 mm Dia. UVFS Round Protective Flat Window; t=3 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-949 50 mm Dia. UVFS Round Protective Flat Window; t=3 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 47-836 50 mm Dia. UVFS Round Protective Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-069 50 mm Dia. UVFS Round Protective Flat Window; t=5 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-953 50 mm Dia. UVFS Round Protective Flat Window; t=6 mm UV-AR 250-425nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-959 75 mm Dia. UVFS Round Protective Flat Window; t=3 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-936 75 mm Dia. UVFS Round Protective Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 66-193 10 mm Dia. N-BK7 Ultra-Thin Protective Flat Window; t=0.2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 66-197 30 mm Dia. N-BK7 Ultra-Thin Protective Flat Window; t=0.2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 83-105 40 mm Dia. N-BK7 Ultra-Thin Protective Flat Window; t=0.2 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 36-457 20 mm Dia. AR Coated Sapphire Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | Al2O3 | Circular |
| 39-234 30 mm Dia. AR Coated Sapphire Protective Flat Window; t=1 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | Al2O3 | Circular |
| 39-246 6.35 mm Dia. AR Coated Sapphire Protective Flat Window; t=0.5 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | Al2O3 | Circular |
| 39-251 38.1 mm Dia. AR Coated Sapphire Protective Flat Window; t=1 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | Al2O3 | Circular |
| 36-488 12.5 mm Dia. AR Coated Sapphire Protective Flat Window; t=1 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | Al2O3 | Circular |
| PW1-2506M-C 25 mm Dia. N-BK7 Laser Grade Optical Window; t=6mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | N-BK7 | Circular |
| PW1-0525-UV 12.7 mm Dia. UVFS Laser Grade Optical Window; t=6.35mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| PW1-2025-UV 50.8 mm Dia. UVFS Laser Grade Optical Window; t=6.35mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| PW1-0504-UV 12.7 mm Dia. UVFS Laser Grade Optical Window; t=1mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| PW1-0512-UV 12.7 mm Dia. UVFS Laser Grade Optical Window; t=3.18mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| PW1-2037-UV 50.8 mm Dia. UVFS Laser Grade Optical Window; t=9.53mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| PW1-5010M-UV 50 mm Dia. UVFS Laser Grade Optical Window; t=10mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| PW1-1008-UV 25.4 mm Dia. UVFS Laser Grade Optical Window; t=2mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| PW1-2506M-UV 25 mm Dia. UVFS Laser Grade Optical Window; t=6mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| RW-40.0-30.0-5.00-C 40 x 30 mm N-BK7 Laser Grade Optical Window; t=5mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | N-BK7 | Rectangular |
| RW-28.6-14.3-3.18-C 28.6 x 14.3 mm N-BK7 Laser Grade Optical Window; t=3.18mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | N-BK7 | Rectangular |
| IF-1025-C 25.4 mm Dia. N-BK7 Interferometer Laser Grade Flat Window; t=6.35mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | N-BK7 | Circular |
| IF-2037-UV 50.8 mm Dia. UVFS Interferometer Laser Grade Flat Window; t=9.53mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| IF-0725-UV 19.1 mm Dia. UVFS Interferometer Laser Grade Flat Window; t=6.35mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| IF-0512-UV 12.7 mm Dia. UVFS Interferometer Laser Grade Flat Window; t=3.18mm Uncoated | Optics | Window | Flat Window | CVI Laser Optics | UVFS | Circular |
| CaF2-w-6x1 6 mm Dia. CaF2 Flat Window; t=1mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | CaF2 | Circular |
| LW-1-1037-UV 25.4 mm Dia. UVFS Large Laser Grade Wedge Window; t=9.53mm Uncoated | Optics | Window | Wedge Window | CVI Laser Optics | UVFS | Circular |
| LW-3-2037-C 50.8 mm Dia. N-BK7 Large Laser Grade Wedge Window; t=9.53mm Uncoated | Optics | Window | Wedge Window | CVI Laser Optics | N-BK7 | Circular |
| LW-3-1037-C 25.4 mm Dia. N-BK7 Large Laser Grade Wedge Window; t=9.53mm Uncoated | Optics | Window | Wedge Window | CVI Laser Optics | N-BK7 | Circular |
| LW-1-2037-C 50.8 mm Dia. N-BK7 Large Laser Grade Wedge Window; t=9.53mm Uncoated | Optics | Window | Wedge Window | CVI Laser Optics | N-BK7 | Circular |
| WHQ1500 15 mm Dia. Quartz Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WHQ2500 25 mm Dia. Quartz Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WHQ4000 40 mm Dia. Quartz Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WHF2500 25 mm Dia. UVFS Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | UVFS | Circular |
| WHF2511 25 mm Dia. UVFS Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | UVFS | Circular |
| WHF4000 40 mm Dia. UVFS Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | UVFS | Circular |
| WHF5000 50 mm Dia. UVFS Round Window; t=4mm Uncoated | Optics | Window | Flat Window | Knight Optical | UVFS | Circular |
| WHF5051 50 x 50 mm UVFS Rectangular Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | UVFS | Rectangular |
| WQF3500 35 mm Dia. Quartz Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQF2500 25 mm Dia. Quartz Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WSI2500 25.4 mm Dia. Silicon Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Silicon | Circular |
| WSI3203 32 mm Dia. Silicon Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Silicon | Circular |
| WSI1501 15 mm Dia. Silicon Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Silicon | Circular |
| WSI2505 25.4 mm Dia. Silicon Round Window; t=0.5mm Uncoated | Optics | Window | Flat Window | Knight Optical | Silicon | Circular |
| WSI1201 12 mm Dia. Silicon Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Silicon | Circular |
| WSI2504 25.4 mm Dia. Silicon Round Window; t=4mm Uncoated | Optics | Window | Flat Window | Knight Optical | Silicon | Circular |
| WSI1301 13 mm Dia. Silicon Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Silicon | Circular |
| WSI3012 30 mm Dia. Silicon Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Silicon | Circular |
| WQZ1002 10 mm Dia. Z-Cut Quartz Right Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ1302 13 mm Dia. Z-Cut Quartz Right Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ2001 20 mm Dia. Z-Cut Quartz Right Handed Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ2002 20 mm Dia. Z-Cut Quartz Right Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ2501 25 mm Dia. Z-Cut Quartz Right Handed Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ2502 25 mm Dia. Z-Cut Quartz Right Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ2526 25 mm Dia. Z-Cut Quartz Right Handed Round Window; t=2.6mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ2601 26 mm Dia. Z-Cut Quartz Right Handed Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ3515 35 mm Dia. Z-Cut Quartz Right Handed Round Window; t=1.5mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ35002 35 mm Dia. Z-Cut Quartz Left Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ3502 35 mm Dia. Z-Cut Quartz Right Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ40002 40 mm Dia. Z-Cut Quartz Left Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ4202 42 mm Dia. Z-Cut Quartz Right Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ50002 50 mm Dia. Z-Cut Quartz Left Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ50005 50 mm Dia. Z-Cut Quartz Left Handed Round Window; t=5mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ6002 60 mm Dia. Z-Cut Quartz Right Handed Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| WQZ8003 80 mm Dia. Z-Cut Quartz Right Handed Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Quartz | Circular |
| 45-635 5 mm Dia. B270 Glass Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 32-947 10 mm Dia. B270 Glass Protective Flat Window; t=1 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 45-638 15 mm Dia. B270 Glass Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 32-949 15 mm Dia. B270 Glass Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 32-951 25 mm Dia. B270 Glass Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 45-641 30 mm Dia. B270 Glass Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 45-255 35 mm Dia. B270 Glass Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 45-643 40 mm Dia. B270 Glass Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 45-572 50 mm Dia. B270 Glass Protective Flat Window; t=3 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 48-419 75 mm Dia. B270 Glass Protective Flat Window; t=3 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Circular |
| 64-088 5.0 x 5.0 mm B270 Glass Protective Flat Window; t=1 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Rectangular |
| 64-089 10.0 x 10.0 mm B270 Glass Protective Flat Window; t=1 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Rectangular |
| 64-090 15.0 x 15.0 mm B270 Glass Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | B270 | Rectangular |