| 10SI20 25.4 mm Dia. Silicon Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Silicon | Circular |
| 10SW8-180 25.4 mm Dia. Sapphire Parallel Optical Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| 10QW40-30AR.10 25.4 mm Dia. UVFS Parallel Optical Flat Window; t=6 mm 245-440nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 20QW40-30 50.8 mm Dia. UVFS Parallel Optical Flat Window; t=10 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 20QW40-30AR.18 50.8 mm Dia. UVFS Parallel Optical Flat Window; t=10 mm 1000-1550nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW10AR.10 5 mm Dia. UVFS Parallel Optical Flat Window; t=1 mm 250-450nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW14AR.14 20 mm Dia. UVFS Parallel Optical Flat Window; t=2 mm 425-675nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW18AR.14 50 mm Dia. UVFS Parallel Optical Flat Window; t=5 mm 425-675nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 14OF-1 25.4 mm Dia. UVFS Optical Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | Standa | UVFS | Circular |
| 14OF-25 25 mm Dia. UVFS Optical Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | Standa | UVFS | Circular |
| PW0508UV 0.5 in Dia. UVFS Round Plane Optical Window; t=2 mm Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW0512UV 0.5 in Dia. UVFS Round Plane Optical Window; t=0.125 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW06308UV 16 mm Dia. UVFS Round Plane Optical Window; t=2 mm Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW0512C 0.5 in Dia. N-BK7 Round Plane Optical Window; t=0.125 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PW0604C 15 mm Dia. N-BK7 Round Plane Optical Window; t=1 mm Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PW1525C 1.5 in Dia. N-BK7 Round Plane Optical Window; t=0.25 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| 68-507 25 mm Dia. Zinc Selenide Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 43-319-000 0.5 in Dia. UVFS Single Surface Flat Window; t=0.13 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 43-420-000 2 in Dia. Zerodur Single Surface Flat Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | Zerodur | Circular |
| 01-612-000 6 in Dia. UVFS Single Surface Flat Window; t=1 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 31-393-000 6 in Dia. Zerodur Single Surface Flat Window; t=1 in Uncoated | Optics | Window | Flat Window | Edmund Optics | Zerodur | Circular |
| 05Q20RAR.S 12.7 mm Dia. UVFS Antireflection o-Texture Surface Parallel Optical Flat Window; t=3.18 mm 250-550nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 05BW40-30 12.7 mm Dia. N-BK7 Parallel Optical Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | N-BK7 | Circular |
| 10BW40-30AR.18 25.4 mm Dia. N-BK7 Parallel Optical Flat Window; t=6 mm 1000-1550nm | Optics | Window | Flat Window | MKS/Newport | N-BK7 | Circular |
| SAW14 10 mm Dia. Sapphire Parallel Optical Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| SAW17 13 mm Dia. Sapphire Parallel Optical Flat Window; t=0.5 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| SAW22 23.75 mm Dia. Sapphire Parallel Optical Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| SAW25 30 mm Dia. Sapphire Parallel Optical Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| 05QW40-30AR.10 12.7 mm Dia. UVFS Parallel Optical Flat Window; t=6 mm 245-440nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW10 5 mm Dia. UVFS Parallel Optical Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW12 12.5 mm Dia. UVFS Parallel Optical Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW16AR.14 30 mm Dia. UVFS Parallel Optical Flat Window; t=4 mm 425-675nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW19AR.14 12.5 mm Dia. UVFS Parallel Optical Flat Window; t=2 mm 425-675nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| PW0504C 0.5 in Dia. N-BK7 Round Plane Optical Window; t=1 mm Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PW0737C 0.75 in Dia. N-BK7 Round Plane Optical Window; t=0.375 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PW0708SA 0.75 in Dia. Sapphire Round Plane Optical Window; t=2 mm Uncoated | Optics | Window | Flat Window | Laser Components | Al2O3 | Circular |
| PW1011SA 1 in Dia. Sapphire Round Plane Optical Window; t=3 mm Uncoated | Optics | Window | Flat Window | Laser Components | Al2O3 | Circular |
| PP0625UV 15 mm Dia. UVFS Plane Parrallel Window; t=0.25 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| RW18-14-3UV 14 x 18 mm UVFS Rectangular Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Rectangular |
| RW23-14-3UV 14 x 23 mm UVFS Rectangular Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Rectangular |
| RW40-25-9.53C 25 x 40 mm N-BK7 Rectangular Flat Window; t=9.53 mm Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Rectangular |
| HO-WCB-10-1 10 mm Dia. N-BK7 Circular Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-WCB-25-3 25 mm Dia. N-BK7 Circular Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-WCB-40-1 40 mm Dia. N-BK7 Circular Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-WCS-30-3 30 mm Dia. UVFS Circular Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | UVFS | Circular |
| 43-428 3 in Dia. UVFS Dual Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-131 3 in Dia. UVFS Dual Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-132 4 in Dia. UVFS Dual Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 39-392 12.7 mm Dia. Zinc Selenide Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 68-492 20 mm Dia. Zinc Selenide Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 39-398 25.4 mm Dia. Zinc Selenide Protective Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 68-494 30 mm Dia. Zinc Selenide Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 68-509 50 mm Dia. Zinc Selenide Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 39-402 50.8 mm Dia. Zinc Selenide Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 47-573-000 3 in Dia. UVFS Single Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-119-000 6 in Dia. Zerodur Single Surface Flat Window; t=1 in Uncoated | Optics | Window | Flat Window | Edmund Optics | Zerodur | Circular |
| 65-880-000 12 in Dia. UVFS Single Surface Flat Window; t=1.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| CAW15 50 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| SAW26 31.8 mm Dia. Sapphire Parallel Optical Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| SAW27 35 mm Dia. Sapphire Parallel Optical Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| 05QW40-30AR.18 12.7 mm Dia. UVFS Parallel Optical Flat Window; t=6 mm 1000-1550nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW11AR.10 10 mm Dia. UVFS Parallel Optical Flat Window; t=1.3 mm 250-450nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW15AR.14 25 mm Dia. UVFS Parallel Optical Flat Window; t=3 mm 425-675nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| PW0504UV 0.5 in Dia. UVFS Round Plane Optical Window; t=1 mm Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW0712UV 0.75 in Dia. UVFS Round Plane Optical Window; t=0.125 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW1012UV 1 in Dia. UVFS Round Plane Optical Window; t=0.125 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW1512UV 1.5 in Dia. UVFS Round Plane Optical Window; t=0.125 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW0525C 0.5 in Dia. N-BK7 Round Plane Optical Window; t=0.25 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PW1037C 1 in Dia. N-BK7 Round Plane Optical Window; t=0.375 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PW3037UV 3 in Dia. UVFS Round Plane Optical Window; t=0.375 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW3050C 3 in Dia. N-BK7 Round Plane Optical Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PW1011CF 1 in Dia. Calcium Fluoride Round Plane Optical Window; t=3 mm Uncoated | Optics | Window | Flat Window | Laser Components | CaF2 | Circular |
| PP0512UV 0.5 in Dia. UVFS Plane Parrallel Window; t=0.125 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PP1012UV 1 in Dia. UVFS Plane Parrallel Window; t=0.125 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PP0725C 0.75 in Dia. N-BK7 Plane Parrallel Window; t=0.25 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PP0737C 0.75 in Dia. N-BK7 Plane Parrallel Window; t=0.375 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| RW20-10-6.35UV 10 x 20 mm UVFS Rectangular Flat Window; t=6.35 mm Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Rectangular |
| PP0725UV 0.75 in Dia. UVFS Plane Parrallel Window; t=0.25 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PP1512C 1.5 in Dia. N-BK7 Plane Parrallel Window; t=0.125 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PP2037UV 2 in Dia. UVFS Plane Parrallel Window; t=0.375 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PP3050C 3 in Dia. N-BK7 Plane Parrallel Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| RW36-26-1UV 26 x 36 mm UVFS Rectangular Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Rectangular |
| HO-WCS-10-3 10 mm Dia. UVFS Circular Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | UVFS | Circular |
| HO-WCS-15-1 15 mm Dia. UVFS Circular Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | UVFS | Circular |
| HO-WCS-50-1 50 mm Dia. UVFS Circular Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | UVFS | Circular |
| HO-WRB-10-1 10 x 20 mm N-BK7 Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Rectangular |
| HO-WRB-15-1 15 x 30 mm N-BK7 Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Rectangular |
| HO-WRS-10-3 10 x 20 mm UVFS Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | UVFS | Rectangular |
| HO-WRS-30-1 30 x 50 mm UVFS Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | UVFS | Rectangular |
| HO-WRS-30-3 30 x 50 mm UVFS Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | UVFS | Rectangular |
| RW23-14-3C 14 x 23 mm N-BK7 Rectangular Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Rectangular |
| HO-WCB-15-1 15 mm Dia. N-BK7 Circular Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-WCB-20-3 20 mm Dia. N-BK7 Circular Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-WCB-30-1 30 mm Dia. N-BK7 Circular Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-WCB-50-1 50 mm Dia. N-BK7 Circular Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-WCS-20-3 20 mm Dia. UVFS Circular Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | UVFS | Circular |
| HO-WSB-25-1 25 x 25 mm N-BK7 Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Rectangular |
| HO-WRB-30-1 30 x 50 mm N-BK7 Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Holmarc Opto-Mechatronics | N-BK7 | Rectangular |
| PW1619C 40 mm Dia. N-BK7 Round Plane Optical Window; t=5 mm Uncoated | Optics | Window | Flat Window | Laser Components | N-BK7 | Circular |
| PW4037UV 4 in Dia. UVFS Round Plane Optical Window; t=0.375 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |