Abstract
We propose an optical spectrometer using a hybrid grating-Fresnel (G-Fresnel) diffractive optical element. Theoretical simulation shows that a spectral resolution of approximately 1nm can be potentially achieved with a millimeter-sized G-Fresnel. A proof-of-concept G-Fresnel-based spectrometer with subnanometer spectral resolution is experimentally demonstrated. The proposed method provides a promising new way for realizing compact optical spectrometers.
Original language | English (US) |
---|---|
Pages (from-to) | 2023-2025 |
Number of pages | 3 |
Journal | Optics Letters |
Volume | 36 |
Issue number | 11 |
DOIs | |
State | Published - Jun 1 2011 |
All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics