| WSQNAHP-30C05-10W-532 30 mm Dia. UVFS High Power AR Coated Wedged Window; t=5 mm 532nm | Optics | Window | Wedge Window | OptoSigma | UVFS | Circular |
| WSB-50C10-10-3 50 mm Dia. N-BK7 Wedged Window; t=10 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSB-25C05-20-1 25 mm Dia. N-BK7 Wedged Window; t=5 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSSQ-15C05-10-1 15 mm Dia. UVFS Wedged Window; t=5 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | UVFS | Circular |
| WSB-30C07-10-3 30 mm Dia. N-BK7 Wedged Window; t=7 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSB-50C08-10-1 50 mm Dia. N-BK7 Wedged Window; t=8 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSSQ-50C08-20-2 50 mm Dia. UVFS Wedged Window; t=8 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | UVFS | Circular |
| CF-ww-12.7-2 12.7 mm Dia. CaF2 Wedge Window; t=2mm Uncoated | Optics | Window | Wedge Window | Alkor Technologies | CaF2 | Circular |
| CF-ww-38.1-5 38.1 mm Dia. CaF2 Wedge Window; t=5mm Uncoated | Optics | Window | Wedge Window | Alkor Technologies | CaF2 | Circular |
| MF-ww-25.4-4 25.4 mm Dia. MgF2 Wedge Window; t=4mm Uncoated | Optics | Window | Wedge Window | Alkor Technologies | Magnesium Fluoride | Circular |
| WW50530 0.5 in Dia. Calcium Fluoride Wedged Window; t=3 mm Uncoated | Optics | Window | Wedge Window | Thorlabs | CaF2 | Circular |
| VPWW42 1.5 in Dia. UVFS Wedged Window; t=4 mm Uncoated | Optics | Window | Wedge Window | Thorlabs | UVFS | Circular |
| WW40530-UV 0.5 in Dia. AR Coated; UVFS Wedged Window; t=3 mm 245-400nm | Optics | Window | Wedge Window | Thorlabs | UVFS | Circular |
| VPWW42-C 1.5 in Dia. AR Coated; UVFS Wedged Window; t=4 mm 1050-1700nm | Optics | Window | Wedge Window | Thorlabs | UVFS | Circular |
| WW61050 1 in Dia. MgF2 Wedged Window; t=5 mm Uncoated | Optics | Window | Wedge Window | Thorlabs | Magnesium Fluoride | Circular |
| WW12012 2 in Dia. N-BK7 Wedged Window; t=12 mm Uncoated | Optics | Window | Wedge Window | Thorlabs | N-BK7 | Circular |
| WW81050-E1 1 in Dia. AR Coated; Silicon Wedged Window; t=5 mm 2000-5000nm | Optics | Window | Wedge Window | Thorlabs | Silicon | Circular |
| WW91050 1 in Dia. Germanium Wedged Window; t=5 mm Uncoated | Optics | Window | Wedge Window | Thorlabs | Germanium | Circular |
| WW90530-E3 0.5 in Dia. AR Coated; Germanium Wedged Window; t=3 mm 7000-12000nm | Optics | Window | Wedge Window | Thorlabs | Germanium | Circular |
| WW1105010-C10 1 in Dia. AR Coated; Wedged N-BK7 Laser Window; t=5 mm 523-532nm | Optics | Window | Wedge Window | Thorlabs | N-BK7 | Circular |
| PL2-1025C 1 in Dia. N-BK7 Wedged Window; t=0.25 in Uncoated | Optics | Window | Wedge Window | Laser Components | N-BK7 | Circular |
| S-WSB-30C05-10-1 30 mm Dia. N-BK7 Wedged Window; t=5 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSB-10C05-10-1 10 mm Dia. N-BK7 Wedged Window; t=5 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSSQ-30C05-10-2 30 mm Dia. UVFS Wedged Window; t=5 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | UVFS | Circular |
| WSSQ-60C10-20-1 60 mm Dia. UVFS Wedged Window; t=10 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | UVFS | Circular |
| WSB-40C06-10-1 40 mm Dia. N-BK7 Wedged Window; t=6 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSSQ-40C06-10-1 40 mm Dia. UVFS Wedged Window; t=6 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | UVFS | Circular |
| WSB-80C12-10-1 80 mm Dia. N-BK7 Wedged Window; t=12 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSB-100C15-20-1 100 mm Dia. N-BK7 Wedged Window; t=15 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| WSSQ-30C05-10-0.5 30 mm Dia. UVFS Wedged Window; t=5 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | UVFS | Circular |
| WSSQ-30C07-10-3 30 mm Dia. UVFS Wedged Window; t=7 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | UVFS | Circular |
| WSB-60C10-10-1 60 mm Dia. N-BK7 Wedged Window; t=10 mm Uncoated | Optics | Window | Wedge Window | OptoSigma | N-BK7 | Circular |
| BF-ww-50.8-6 50.8 mm Dia. BaF2 Wedge Window; t=6mm Uncoated | Optics | Window | Wedge Window | Alkor Technologies | BAF2 | Circular |
| CF-ww-25.4-4 25.4 mm Dia. CaF2 Wedge Window; t=4mm Uncoated | Optics | Window | Wedge Window | Alkor Technologies | CaF2 | Circular |
| Si-ww-50.8-6 50.8 mm Dia. Silicon Wedge Window; t=6mm Uncoated | Optics | Window | Wedge Window | Alkor Technologies | Silicon | Circular |
| ZnSe-ww-12.7-2 12.7 mm Dia. ZnSe Wedge Window; t=2mm Uncoated | Optics | Window | Wedge Window | Alkor Technologies | ZnSe | Circular |
| 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 |
| WQK2525 25 x 25 mm N-BK7 Precision Rectangular Window; t=6mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Rectangular |
| WQK7500 75 mm Dia. N-BK7 Precision Round Window; t=8mm Uncoated | Optics | Window | Flat Window | Knight Optical | N-BK7 | Circular |
| WHP1500 15 mm Dia. Schott Borofloat 33 Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Circular |
| WHP4000 40 mm Dia. Schott Borofloat 33 Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Circular |
| WHP5050 50 x 50 mm Schott Borofloat 33 Rectangular Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Borofloat33 | Rectangular |
| WGE1202 12 mm Dia. Germanium Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WHS1000 10 mm Dia. Sapphire Random Cut Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS1500 15 mm Dia. Sapphire Random Cut Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS5011 50 mm Dia. Sapphire Random Cut Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS5055 50 mm Dia. Sapphire Random Cut Round Window; t=5mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WSC1002 10 mm Dia. C-Cut Sapphire Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| 220-0466E 38.1 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0566M 50.0 mm Dia. N-BK7 Precision Round Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 220-0786M 75.0 mm Dia. N-BK7 Precision Round Window; t=8 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | N-BK7 | Circular |
| 520-5253 25.4 mm Dia. Magnesium Fluoride Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Magnesium Fluoride | Circular |
| 520-6253 25.4 mm Dia. Magnesium Fluoride Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Magnesium Fluoride | Circular |
| 520-6506 50.8 mm Dia. Magnesium Fluoride Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | Magnesium Fluoride | Circular |
| 530-5253 25.4 mm Dia. UV grade CaF2 Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | CaF2 | Circular |
| 530-6756 70 mm Dia. IR grade CaF2 Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | CaF2 | Circular |
| 510-5506 50.8 mm Dia. UV grade Lithium Fluoride Window; t=6 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | LiF | Circular |
| 540-7445 44.6 mm Dia. Barium Fluoride Window; t=3.5 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | BAF2 | Circular |
| 540-7503 50.8 mm Dia. Barium Fluoride Window; t=3 mm Uncoated | Optics | Window | Flat Window | EKSMA Optics | BAF2 | Circular |
| WGE2501 25 mm Dia. Germanium Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WGE1000 10 mm Dia. Germanium Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WGE2522 25.4 mm Dia. Germanium Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Germanium | Circular |
| WHS2533 25 mm Dia. Sapphire Random Cut Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS2700 27 mm Dia. Sapphire Random Cut Round Window; t=2.5mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WHS2502 25 mm Dia. Sapphire Random Cut Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WSC1001 10 mm Dia. C-Cut Sapphire Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WSC1302 12.5 mm Dia. C-Cut Sapphire Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WSC5002 50 mm Dia. C-Cut Sapphire Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | Al2O3 | Circular |
| WBF1301 13 mm Dia. Barium Fluoride Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Circular |
| WBF1605 16 mm Dia. Barium Fluoride Round Window; t=0.5mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Circular |
| WBF1616 16 x 16 mm Barium Fluoride Rectangular Window; t=1.5mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Rectangular |
| WMG2504 25 mm Dia. Magnesium Fluoride Round Window; t=5mm Uncoated | Optics | Window | Flat Window | Knight Optical | Magnesium Fluoride | Circular |
| WMG2001 20 mm Dia. Magnesium Fluoride Round Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Magnesium Fluoride | Circular |
| WKB2505 25 mm Dia. Potassium Bromide Round Window; t=5mm Uncoated | Optics | Window | Flat Window | Knight Optical | UVFS | Circular |
| WKB5005 50 mm Dia. Potassium Bromide Round Window; t=5mm Uncoated | Optics | Window | Flat Window | Knight Optical | UVFS | Circular |
| WGW2525 25 x 25 mm White Float Rectangular Window; t=1mm Uncoated | Optics | Window | Flat Window | Knight Optical | Soda Lime | Rectangular |
| WBF1500 15 mm Dia. Barium Fluoride Round Window; t=2mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Circular |
| WBF3800 38 mm Dia. Barium Fluoride Round Window; t=3mm Uncoated | Optics | Window | Flat Window | Knight Optical | BAF2 | Circular |