We present the fabrication and characterization of a hybrid planar diffractive element, which combines the functions of a grating and a Fresnel lens (G-Fresnel). A proof-of-concept spectrometer based on the G-Fresnel is also demonstrated.
© 2011 OSA
(050.1950) Diffraction and gratings : Diffraction gratings
(080.3630) Geometric optics : Lenses
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
C. Yang, P. Edwards, K. Shi, and Z. Liu, "Hybrid Diffractive Optical Element Based Spectrometer," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JWA64.
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