| 215-1556 50.8 mm x 50.8 mm; UVFS Flat Rectangular Window; t=6.3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 226-1221M 25.0 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1116M 12.5 mm Dia. UVFS Precision Thin Round Window; t=1.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1226M 25.0 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 225-0226 25.4 mm x 25.4 mm; N-BK7 Precision Rectangular Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Rectangular |
| 225-1126 15 mm x 20 mm; UVFS Precision Rectangular Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 225-1236 20 mm x 30 mm; UVFS Precision Rectangular Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 220-0231M 25.0 mm Dia. N-BK7 Precision Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0582E 50.8 mm Dia. N-BK7 Precision Round Window; t=8 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0193E 12.7 mm Dia. N-BK7 Precision Round Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-1102E 12.7 mm Dia. UVFS Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 210-1402M 40.0 mm Dia. UVFS Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 215-1252 25.4 mm x 50.8 mm; UVFS Flat Rectangular Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 226-1121E 12.7 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1191 20.0 mm Dia. UVFS Precision Thin Round Window; t=1.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1201 20.0 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1211E 25.4 mm Dia. UVFS Precision Thin Round Window; t=1.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1216E 25.4 mm Dia. UVFS Precision Thin Round Window; t=1.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 225-1550 50.8 mm x 50.8 mm; UVFS Precision Rectangular Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 220-0101E 12.7 mm Dia. N-BK7 Precision Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0161M 12.5 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0201E 25.4 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0201M 25.0 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0103M 12.5 mm Dia. N-BK7 Precision Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0106E 12.7 mm Dia. N-BK7 Precision Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 550-7202 20.0 mm Dia. Sapphire Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 550-7250 25.4 mm Dia. Sapphire Window; t=0.5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 550-7253 25.4 mm Dia. Sapphire Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 550-7502 50.0 mm Dia. Sapphire Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 560-6501 50.8 mm Dia. Zinc Selenide Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | ZnSe | Circular |
| WQK2500 25 mm Dia. N-BK7 Precision Round Window; t=6mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Circular |
| WGP100100 100 x 100 mm Schott Borofloat 33 Rectangular Window; t=3.3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Rectangular |
| 89-567 40 mm Dia. Germanium Protective Flat Window; t=4 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-346 50 mm Dia. Germanium Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 89-570 50 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-869 50.8 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 64-380 75 mm Dia. Germanium Protective Flat Window; t=5 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-355 25 mm Dia. Germanium Protective Flat Window; t=1 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 89-564 25 mm Dia. Germanium Protective Flat Window; t=2 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-358 50 mm Dia. Germanium Protective Flat Window; t=2 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 68-740 50 mm Dia. Germanium Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 47-685 10 mm Dia. Germanium Protective Flat Window; t=1.5 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-341 12.5 mm Dia. Germanium Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 62-644 12.5 mm Dia. Germanium Protective Flat Window; t=2 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-350 25 mm Dia. Germanium Protective Flat Window; t=2 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 68-737 25 mm Dia. Germanium Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-871 25.4 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 48-857 75 mm Dia. Germanium Protective Flat Window; t=5 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-870 76.2 mm Dia. Germanium Protective Flat Window; t=5 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 43-430 4 in Dia. UVFS Dual Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 43-432 6 in Dia. UVFS Dual Surface Flat Window; t=1 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 68-506 12.5 mm Dia. Zinc Selenide Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 68-491 12.5 mm Dia. Zinc Selenide Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 68-493 25 mm Dia. Zinc Selenide Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 39-397 25.4 mm Dia. Zinc Selenide Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 68-497 75 mm Dia. Zinc Selenide Protective Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 43-400-000 0.5 in Dia. UVFS Single Surface Flat Window; t=0.13 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 01-913-000 1 in Dia. UVFS Single Surface Flat Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 01-914-000 2 in Dia. UVFS Single Surface Flat Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 47-574-000 4 in Dia. UVFS Single Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 01-611-000 4 in Dia. UVFS Single Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-879-000 10 in Dia. UVFS Single Surface Flat Window; t=1.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 10Q20-NL 25.4 mm Dia. UVFS Parallel Optical Flat Window; t=6.1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 20BW40-30AR.14 50.8 mm Dia. N-BK7 Parallel Optical Flat Window; t=10 mm 430-700nm | Optics | Window | Flat Window | MKS/Newport | N-BK7 | Circular |
| 10CF30 25.4 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| CAW10 5 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| CAW13 15 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| CAW17 30 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| CAW18 40 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| SAW29 40 mm Dia. Sapphire Parallel Optical Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| 10QW40-30AR.16 25.4 mm Dia. UVFS Parallel Optical Flat Window; t=6 mm 650-1000nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 20QW40-30AR.16 50.8 mm Dia. UVFS Parallel Optical Flat Window; t=10 mm 650-1000nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW12AR.14 12.5 mm Dia. UVFS Parallel Optical Flat Window; t=1.5 mm 425-675nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW17 40 mm Dia. UVFS Parallel Optical Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW17AR.14 40 mm Dia. UVFS Parallel Optical Flat Window; t=4 mm 425-675nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW18 50 mm Dia. UVFS Parallel Optical Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 14OF-1.5 38.1 mm Dia. UVFS Optical Flat Window; t=10 mm Uncoated | Optics | Window | Flat Window | Standa | UVFS | Circular |
| PW0537UV 0.5 in Dia. UVFS Round Plane Optical Window; t=0.375 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW1037UV 1 in Dia. UVFS Round Plane Optical Window; t=0.375 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| PW2025UV 2 in Dia. UVFS Round Plane Optical Window; t=0.25 in Uncoated | Optics | Window | Flat Window | Laser Components | UVFS | Circular |
| 48-133 6 in Dia. UVFS Dual Surface Flat Window; t=1 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 49-061 8 in Dia. UVFS Dual Surface Flat Window; t=1.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 39-393 25 mm Dia. Zinc Selenide Protective Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 68-495 40 mm Dia. Zinc Selenide Protective Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 39-401 50.8 mm Dia. Zinc Selenide Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 43-412-000 1 in Dia. Zerodur Single Surface Flat Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | Zerodur | Circular |
| 01-915-000 3 in Dia. UVFS Single Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 47-575-000 6 in Dia. UVFS Single Surface Flat Window; t=1 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 31-390-000 8 in Dia. UVFS Single Surface Flat Window; t=1.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 31-394-000 8 in Dia. Zerodur Single Surface Flat Window; t=1.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | Zerodur | Circular |
| 10Q20RAR.S 25.4 mm Dia. UVFS Antireflection o-Texture Surface Parallel Optical Flat Window; t=4 mm 250-550nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 20QB20 50.8 mm Dia. UVFS Interferometer Optical Flat Window; t=12.7 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 10BW40-30AR.16 25.4 mm Dia. N-BK7 Parallel Optical Flat Window; t=6 mm 650-1000nm | Optics | Window | Flat Window | MKS/Newport | N-BK7 | Circular |
| 20BW40-30AR.16 50.8 mm Dia. N-BK7 Parallel Optical Flat Window; t=10 mm 650-1000nm | Optics | Window | Flat Window | MKS/Newport | N-BK7 | Circular |
| MGW11 12.5 mm Dia. Magnesium Fluoride Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Magnesium Fluoride | Circular |
| 10GE20 25.4 mm Dia. Germanium Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Germanium | Circular |
| 10CF20 25.4 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| SAW13 9.5 mm Dia. Sapphire Parallel Optical Flat Window; t=0.5 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| SAW24 25.4 mm Dia. Sapphire Parallel Optical Flat Window; t=2.3 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| SAW28 38.1 mm Dia. Sapphire Parallel Optical Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |