Frequently Asked Questions

The central wavelength of the transmission gratings is 1550 nm.

The diffraction efficiency of the transmission gratings is 97.5%.

The angle of incidence for the transmission gratings varies depending on the polarization: 68.5° for TE (s-pol.) with a line density of 1200.5 l/mm, 38.3° for TE (s-pol.) with a line density of 800.0 l/mm, and 50.8° for TE (s-pol.) with a line density of 1000.0 l/mm.

The substrate material of the transmission gratings is fused silica, specifically Heraeus Suprasil 3002.

The popular formats available for the transmission gratings include W-2H6.35, 135 x 20, 100 x 15, 77 x 15, 30 x 20, 65 x 25, 55 x 25, 30 x 25, and 20 x 14.

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