| 011-1209E 25.4 mm Dia. UVFS Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1227E 25.4 mm Dia. UVFS Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1509E 50.8 mm Dia. UVFS Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1512E 50.8 mm Dia. UVFS Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1518E 50.8 mm Dia. UVFS Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| WG10530-B Dia:0.5in N-BK7 Broadband Precision Window; t=3 mm ARC 650-1050nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| WG12012-B Dia:2in N-BK7 Broadband Precision Window t=12 mm ARC 650-1050nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| WG41050 Dia:1in UVFS Broadband Precision Window; t=5 mm Uncoated | Optics | Window | Flat Window | Thorlabs | UVFS | Circular |
| WG42012-A Dia:2in UVFS Broadband Precision Window; t=12 mm ARC 350-700nm | Optics | Window | Flat Window | Thorlabs | UVFS | Circular |
| WG40530-B Dia:0.5in UVFS Broadband Precision Window; t=3 mm ARC 650-1050nm | Optics | Window | Flat Window | Thorlabs | UVFS | Circular |
| WG30530 0.5in Dia. Sapphire Broadband Precision Window; t=3 mm Uncoated | Optics | Window | Flat Window | Thorlabs | Sapphire ow | Circular |
| WG30530-D 0.5in Dia. AR Coated; Sapphire Broadband Precision Window; t=3 mm 1650-3000nm | Optics | Window | Flat Window | Thorlabs | Sapphire ow | Circular |
| WL11050-C13 1in Dia. AR Coated; N-BK7 Broadband Precision Window; t=5 mm 700-1100nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| 210-0403M 40.0 mm Dia. N-BK7 Flat Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-1703E 76.2 mm Dia. UVFS Flat Round Window; t=6.3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 215-1232 20 mm x 30 mm; UVFS Flat Rectangular Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 226-1111E 12.7 mm Dia. UVFS Precision Thin Round Window; t=1.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1121M 12.5 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1221E 25.4 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1126M 12.5 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1226E 25.4 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 225-1123 15 mm x 20 mm; UVFS Precision Rectangular Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 220-0211 20.0 mm Dia. N-BK7 Precision Round Window; t=5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0402M 40.0 mm Dia. N-BK7 Precision Round Window; t=8 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0562E 50.8 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0722M 75.0 mm Dia. N-BK7 Precision Round Window; t=12.7 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| WL11050-C10 1in Dia. AR Coated; N-BK7 Broadband Precision Window; t=5 mm 523-532nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| 210-0103M 12.5 mm Dia. N-BK7 Flat Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-0402E 38.1 mm Dia. N-BK7 Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-1402E 38.1 mm Dia. UVFS Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 210-1503E 50.8 mm Dia. UVFS Flat Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1526E 50.8 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 225-0250 25.4 mm x 50.8 mm; N-BK7 Precision Rectangular Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Rectangular |
| 225-1226 25.4 mm x 25.4 mm; UVFS Precision Rectangular Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 220-0582M 50.0 mm Dia. N-BK7 Precision Round Window; t=8 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0502E 50.8 mm Dia. N-BK7 Precision Round Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0502M 50.0 mm Dia. N-BK7 Precision Round Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0852M 100.0 mm Dia. N-BK7 Precision Round Window; t=15 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-1503M 50.0 mm Dia. UVFS Flat Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 210-1703M 75.0 mm Dia. UVFS Flat Round Window; t=6.3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 215-0552 50.8 mm x 50.8 mm; N-BK7 Flat Rectangular Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Rectangular |
| 226-1211M 25.0 mm Dia. UVFS Precision Thin Round Window; t=1.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1526M 50.0 mm Dia. UVFS Precision Thin Round Window; t=2.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 225-0123 15 mm x 20 mm; N-BK7 Precision Rectangular Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Rectangular |
| 220-0722E 76.2 mm Dia. N-BK7 Precision Round Window; t=12.7 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0203M 25.0 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-0102E 12.7 mm Dia. N-BK7 Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-0103E 12.7 mm Dia. N-BK7 Flat Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-0202M 25.0 mm Dia. N-BK7 Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-0503M 50.0 mm Dia. N-BK7 Flat Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-0703M 75.0 mm Dia. N-BK7 Flat Round Window; t=6.3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 210-1202E 25.4 mm Dia. UVFS Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 210-1203E 25.4 mm Dia. UVFS Flat Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 210-1502E 50.8 mm Dia. UVFS Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 210-1502M 50.0 mm Dia. UVFS Flat Round Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 215-1122 15 mm x 20 mm; UVFS Flat Rectangular Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Rectangular |
| 226-1531E 50.8 mm Dia. UVFS Precision Thin Round Window; t=3.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1531M 50.0 mm Dia. UVFS Precision Thin Round Window; t=3.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1216M 25.0 mm Dia. UVFS Precision Thin Round Window; t=1.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1516M 50.0 mm Dia. UVFS Precision Thin Round Window; t=1.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 226-1536E 50.8 mm Dia. UVFS Precision Thin Round Window; t=3.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | UVFS | Circular |
| 225-0126 15 mm x 20 mm; N-BK7 Precision Rectangular Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Rectangular |
| 220-0101M 12.5 mm Dia. N-BK7 Precision Round Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0462E 38.1 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0462M 40.0 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0562M 50.0 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0752E 76.2 mm Dia. N-BK7 Precision Round Window; t=15 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0163M 12.5 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0193M 12.5 mm Dia. N-BK7 Precision Round Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0203E 25.4 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0503E 50.8 mm Dia. N-BK7 Precision Round Window; t=12 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0293M 25.0 mm Dia. N-BK7 Precision Round Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0406M 40.0 mm Dia. N-BK7 Precision Round Window; t=8 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0726M 75.0 mm Dia. N-BK7 Precision Round Window; t=12.7 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 530-6385 38.1 mm Dia. IR grade CaF2 Window; t=5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | CaF2 | Circular |
| 530-6506 50.8 mm Dia. IR grade CaF2 Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | CaF2 | Circular |
| 530-6710 70 mm Dia. IR grade CaF2 Window; t=10 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | CaF2 | Circular |
| 530-6121 12 mm Dia. IR grade CaF2 Window; t=1 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | CaF2 | Circular |
| 540-7252 25.4 mm Dia. Barium Fluoride Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | BAF2 | Circular |
| 550-7120 12.7 mm Dia. Sapphire Window; t=0.5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 550-7122 12.7 mm Dia. Sapphire Window; t=2 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 550-7255 25.4 mm Dia. Sapphire Window; t=5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Al2O3 | Circular |
| 560-6251 25.4 mm Dia. Zinc Selenide Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | ZnSe | Circular |
| 560-6381 38.1 mm Dia. Zinc Selenide Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | ZnSe | Circular |
| 580-6055 50.8 mm Dia. Germanium Window; t=5.0 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Germanium | Circular |
| WQK1010 10 x 10 mm N-BK7 Precision Rectangular Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Rectangular |
| WQK6500 65 mm Dia. N-BK7 Precision Round Window; t=8mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Circular |
| WQK1515 15 x 15 mm N-BK7 Precision Rectangular Window; t=4mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Rectangular |
| WQK7575 75 x 75 mm N-BK7 Precision Rectangular Window; t=8mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Rectangular |
| WGP2500 25 mm Dia. Schott Borofloat 33 Round Window; t=1.1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Circular |
| WGP5000 50 mm Dia. Schott Borofloat 33 Round Window; t=1.1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | 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 |