| SI-W-50.8-1 50.8 mm Dia. Silicon Flat Window; t=1mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Silicon | Circular |
| SI-W-50.8-3 50.8 mm Dia. Silicon Flat Window; t=3mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Silicon | Circular |
| SI-W-50.8-4 50.8 mm Dia. Silicon Flat Window; t=4mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Silicon | Circular |
| ZnSe-W-12.7-1 12.7 mm Dia. ZnSe Flat Window; t=1mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | ZnSe | Circular |
| ZnSe-W-38.1-5 38.1 mm Dia. ZnSe Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | ZnSe | Circular |
| ZnSe-W-50.8-3 50.8 mm Dia. ZnSe Flat Window; t=3mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | ZnSe | Circular |
| ZnSe-W-50.8-5 50.8 mm Dia. ZnSe Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | ZnSe | Circular |
| CaF2-W-25.4x6 25.4 mm Dia. CaF2 Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | CaF2 | Circular |
| CaF2-W-31.75x1 31.75 mm Dia. CaF2 Flat Window; t=1mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | CaF2 | Circular |
| CaF2-W-50.8x2 50.8 mm Dia. CaF2 Flat Window; t=2mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | CaF2 | Circular |
| BF-W-6.85-0.5 6.9 mm Dia. BaF2 Flat Window; t=0.5mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | BAF2 | Circular |
| BF-W-25.4-2 25.4 mm Dia. BaF2 Flat Window; t=2mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | BAF2 | Circular |
| BF-W-25.4-5 25.4 mm Dia. BaF2 Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | BAF2 | Circular |
| BF-W-50.8-4 50.8 mm Dia. BaF2 Flat Window; t=4mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | BAF2 | Circular |
| BF-W-63.5-6 63.5 mm Dia. BaF2 Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | BAF2 | Circular |
| BF-W-63.5-8 63.5 mm Dia. BaF2 Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | BAF2 | Circular |
| BF-W-152.4-10 152.4 mm Dia. BaF2 Flat Window; t=10mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | BAF2 | Circular |
| FS-w-76.2-6 76.2 mm Dia. UVFS Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| FS-w-76.2-8 76.2 mm Dia. UVFS Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| FS-w-101.6-8 101.6 mm Dia. UVFS Flat Window; t=8mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| GE-W-25.4-5 25.4 mm Dia. Germanium Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Germanium | Circular |
| GE-W-25.4-6 25.4 mm Dia. Germanium Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Germanium | Circular |
| GE-W-50.8-1 50.8 mm Dia. Germanium Flat Window; t=1mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Germanium | Circular |
| GE-W-50.8-5 50.8 mm Dia. Germanium Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Germanium | Circular |
| KB-W-25.4x2 25.4 mm Dia. KBr Flat Window; t=2mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| KB-W-25.4x6 25.4 mm Dia. KBr Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| KB-W-50.8x6 50.8 mm Dia. KBr Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| KB-W-63.5x6 63.5 mm Dia. KBr Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| KC-W-12.7-3 12.7 mm Dia. KCl Flat Window; t=3mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| KC-W-63.5-6 63.5 mm Dia. KCl Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| NC-W-25.4-3 25.4 mm Dia. NaCl Flat Window; t=3mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| NC-W-38.1-4 38.1 mm Dia. NaCl Flat Window; t=4mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| NC-W-38.1-6 38.1 mm Dia. NaCl Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | UVFS | Circular |
| MF-W-38.1x2 38.1 mm Dia. MgF2 Flat Window; t=2mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Magnesium Fluoride | Circular |
| MF-W-38.1x4 38.1 mm Dia. MgF2 Flat Window; t=4mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Magnesium Fluoride | Circular |
| AL-W-16x0.75 16 mm Dia. Sapphire Flat Window; t=0.75mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Al2O3 | Circular |
| AL-W-25.4-3 25.4 mm Dia. Sapphire Flat Window; t=3mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Al2O3 | Circular |
| SI-W-38.1-6 38.1 mm Dia. Silicon Flat Window; t=6mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Silicon | Circular |
| SI-W-63.5-3 63.5 mm Dia. Silicon Flat Window; t=3mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Silicon | Circular |
| SI-W-76.2-3 76.2 mm Dia. Silicon Flat Window; t=3mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | Silicon | Circular |
| ZnSe-W-25.4-1 25.4 mm Dia. ZnSe Flat Window; t=1mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | ZnSe | Circular |
| ZnSe-W-25.4-5 25.4 mm Dia. ZnSe Flat Window; t=5mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | ZnSe | Circular |
| ZnSe-W-32x3 32 mm Dia. ZnSe Flat Window; t=3mm Uncoated | Optics | Window | Flat Window | Alkor Technologies | ZnSe | Circular |
| 010-0501E 50.8 mm Dia. N-BK7 Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-0502E 50.8 mm Dia. N-BK7 Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-0505E 50.8 mm Dia. N-BK7 Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-0515E 50.8 mm Dia. N-BK7 Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-0714E 76.2 mm Dia. N-BK7 Plano-Concave Window; t=12.7mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-0812E 101.6 mm Dia. N-BK7 Plano-Concave Window; t=15mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-1130E 12.7 mm Dia. UVFS Plano-Concave Window; t=3mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1150E 12.7 mm Dia. UVFS Plano-Concave Window; t=3mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1105T6 12.7 mm Dia. UVFS Plano-Concave Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1109T6 12.7 mm Dia. UVFS Plano-Concave Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1206E 25.4 mm Dia. UVFS Plano-Concave Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1225E 25.4 mm Dia. UVFS Plano-Concave Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1520E 50.8 mm Dia. UVFS Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1524E 50.8 mm Dia. UVFS Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1530E 50.8 mm Dia. UVFS Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1712E 76.2 mm Dia. UVFS Plano-Concave Window; t=12.7mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1714E 76.2 mm Dia. UVFS Plano-Concave Window; t=12.7mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 011-0103E 12.7 mm Dia. N-BK7 Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | N-BK7 | Circular |
| 011-0204E 25.4 mm Dia. N-BK7 Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | N-BK7 | Circular |
| 011-0222E 25.4 mm Dia. N-BK7 Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | N-BK7 | Circular |
| 011-1204E 25.4 mm Dia. UVFS Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1522E 50.8 mm Dia. UVFS Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| WG10530 Dia:0.5in N-BK7 Broadband Precision Window; t=3 mm Uncoated | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| WG10530-A Dia:0.5in N-BK7 Broadband Precision Window; t=3 mm ARC 350-700nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| WG11010-C Dia:1in N-BK7 Broadband Precision Window; t=1 mm ARC 1050-1700nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| WG11050-C Dia:1in N-BK7 Broadband Precision Window; t=5 mm ARC 1050-1700nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| VPW42-B Dia:1.5in UVFS Vacuum Window; t=4mm ARC 650-1050nm | Optics | Window | Flat Window | Thorlabs | UVFS | Circular |
| WG31050-D 1in Dia. AR Coated; Sapphire Broadband Precision Window; t=5 mm 1650-3000nm | Optics | Window | Flat Window | Thorlabs | Sapphire ow | Circular |
| WL11050-C11 1in Dia. AR Coated; N-BK7 Broadband Precision Window; t=5 mm 610-860nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| WL41050-C3 1in Dia. AR Coated; UVFS Broadband Precision Window; t=5 mm 261-266nm | Optics | Window | Flat Window | Thorlabs | UVFS | Circular |
| 010-0730E 76.2 mm Dia. N-BK7 Plano-Concave Window; t=12.7mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-0745E 76.2 mm Dia. N-BK7 Plano-Concave Window; t=12.7mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-0808E 101.6 mm Dia. N-BK7 Plano-Concave Window; t=15mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | N-BK7 | Circular |
| 010-1105E 12.7 mm Dia. UVFS Plano-Concave Window; t=3mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1108E 12.7 mm Dia. UVFS Plano-Concave Window; t=3mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1101T6 12.7 mm Dia. UVFS Plano-Concave Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1123T6 12.7 mm Dia. UVFS Plano-Concave Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1217E 25.4 mm Dia. UVFS Plano-Concave Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1222E 25.4 mm Dia. UVFS Plano-Concave Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1503E 50.8 mm Dia. UVFS Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1510E 50.8 mm Dia. UVFS Plano-Concave Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1720E 76.2 mm Dia. UVFS Plano-Concave Window; t=12.7mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 010-1725E 76.2 mm Dia. UVFS Plano-Concave Window; t=12.7mm Uncoated | Optics | Window | Curved Window (Plano-Concave) | EKSMA Optics | UVFS | Circular |
| 011-0113E 12.7 mm Dia. N-BK7 Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | N-BK7 | Circular |
| 011-0210E 25.4 mm Dia. N-BK7 Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | N-BK7 | Circular |
| 011-0502E 50.8 mm Dia. N-BK7 Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | N-BK7 | Circular |
| 011-0506E 50.8 mm Dia. N-BK7 Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | N-BK7 | Circular |
| 011-0515E 50.8 mm Dia. N-BK7 Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | N-BK7 | Circular |
| 011-1203E 25.4 mm Dia. UVFS Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1205E 25.4 mm Dia. UVFS Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1206E 25.4 mm Dia. UVFS Plano-Convex Window; t=6mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1502E 50.8 mm Dia. UVFS Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1505E 50.8 mm Dia. UVFS Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| 011-1510E 50.8 mm Dia. UVFS Plano-Convex Window; t=10mm Uncoated | Optics | Window | Curved Window (Plano-Convex) | EKSMA Optics | UVFS | Circular |
| WG10530-C Dia:0.5in N-BK7 Broadband Precision Window; t=3 mm ARC 1050-1700nm | Optics | Window | Flat Window | Thorlabs | N-BK7 | Circular |
| WG40530-UV Dia:0.5in UVFS Broadband Precision Window; t=3 mm ARC 245-400nm | Optics | Window | Flat Window | Thorlabs | UVFS | Circular |
| WG41010-B Dia:1in UVFS Broadband Precision Window; t=1 mm ARC 650-1050nm | Optics | Window | Flat Window | Thorlabs | UVFS | Circular |