12.7mm Dia., 1mm Thick, Uncoated, λ/10 IR Fused Silica (Ohara SK-1310) Window

Product Details IR Grade Fused Silica (Ohara SK-1310) Substrates Broad Transmission Range from 200 – 3500nm λ/10 Transmitted Wavefront Distortion Excellent Thermal Stability λ/10 Infrared (IR) Fused Silica (Ohara SK-1310) Windows feature 20-10 surface quality, <5 arcsec parallelism, and broad transmission from 200 – 3500nm without absorption bands common in other fused silica materials. These fused silica windows offer superior transmission characteristics and a low coefficient of thermal expansion that provides high thermal stability and resistance to thermal shock. λ/10 Infrared (IR) Fused Silica (Ohara SK-1310) Windows feature laser grade specifications and are available in a variety of diameter and thickness options. These windows are ideal for FLIR, FTIR spectroscopy, medical systems, and thermal imaging applications. Specifications General Type: Protective Window Type of Window: Glass Physical & Mechanical Properties Clear Aperture CA (mm): 11.43 Diameter (mm): 12.70 +0.00/-0.20 Thickness (mm): 1.00 ±0.10 Bevel: Protective as needed Clear Aperture (%): 90 Edges: Fine Ground Parallelism (arcsec): <5 Poisson's Ratio: 0.17 Young's Modulus (GPa): 73 Knoop Hardness (kg/mm 2 ): 522.00 Optical Properties Coating: Uncoated Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More IR Fused Silica (Ohara SK-1310) Index of Refraction (n d ): 1.458 Surface Quality: 20-10 Transmitted Wavefront, P-V: λ/10 Abbe Number (v d ): 67.8 Wavelength Range (nm): 200 - 3500 Material Properties Density (g/cm 3 ): 2.20 Coefficient of Thermal Expansion CTE (10 -6 /°C): 0.52 (+5 to +35°C) 0.57 (0 to +200°C) 0.48 (-100 to +200°C) Regulatory Compliance Certificate of Conformance: View ×