Recording of concave diffraction gratings in a two-step process using spatially incoherent light

Elena A. Sokolova; Bob Kruizinga; Igor V. Golubenko

doi:10.1117/1.1803556

1 November 2004 Recording of concave diffraction gratings in a two-step process using spatially incoherent light

Elena A. Sokolova, Bob Kruizinga, Igor V. Golubenko

Author Affiliations +

Optical Engineering, Vol. 43, Issue 11, (November 2004). https://doi.org/10.1117/1.1803556

Abstract

An original optical design for two-step recording of holographic diffraction gratings is presented. It combines the merits of the two previously developed methods. On the one hand, due to the two-step recording one can use wide possibilities for the aberrations compensation. On the other hand, one can record both the grating objective and the final grating in spatially incoherent light. This simplifies the technology of the holographic recording. Previously, one must use spatially coherent light for at least one of two recording steps. Our method does not require the use of additional optics. Both surfaces of the grating objective blank have a spherical form. The blank of the final grating can be plane concave, which is usual for diffraction gratings. Since the blaze angle of the grating recorded in the counterpropagating beams is determined by the recording geometry, and the efficiency of the grating depends on the polarization of the incident light, the transmission calculations taking into consideration the polarization are also provided. The transmission of the system is optimal for the s-polarized light, additional increasing of the transmission can be achieved by use of an immersion grating objective.

©(2004) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Elena A. Sokolova, Bob Kruizinga, and Igor V. Golubenko "Recording of concave diffraction gratings in a two-step process using spatially incoherent light," Optical Engineering 43(11), (1 November 2004). https://doi.org/10.1117/1.1803556

Published: 1 November 2004

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