Optical Glass

K-GIR140 -Infrared transmission glass-

  • High transmission from visible light to middle IR
  • There is no birefringence as it is isotropic material.
  • Weather ability, workability is superior

Refractive index

nF(486.1nm) 1.76334 nC(656.3nm) 1.74591 分散νd 43.1
nd(587.6nm) 1.75106 n(3.5421m) 1.704
λ(nm) 屈折率 λ(nm) 屈折率
365 1.79635 1813 1.72393
405 1.78165 2019 1.72200
436 1.77325 2038 1.72200
480 1.76437 2058 1.72100
486 1.76334 2220 1.72000
546 1.75521 2325 1.72000
588 1.75106 2418 1.71800
644 1.74672 2613 1.71600
656 1.74591 2770 1.71400
707 1.74306 2973 1.71200
1014 1.73354 3177 1.70900
1129 1.73156 3447 1.70500
1309 1.72913 3542 1.70400
1367 1.72844 3835 1.69900
1529 1.72670 3952 1.69700
1548 1.72651 4128 1.69400
1692 1.72509 4409 1.68900
1711 1.72491 4564 1.68600

Refractive index at each wavelength

Refractive index at each wavelength

Spectral transmittance (t=1.0mm)

Spectral transmittance (t=1.0mm)

K-GIR140

PDFデータダウンロード
Contact us for information and questions
To Header