Fourier-transform spectral measurement with waveguide holographic grating

Manli Hu; Jifang Liu; Yulin Li; Yushan Tan

doi:10.1117/12.444561

16 October 2001 Fourier-transform spectral measurement with waveguide holographic grating

Manli Hu, Jifang Liu, Yulin Li, Yushan Tan

Proceedings Volume 4603, Fiber Optics and Optoelectronics for Network Applications; (2001) https://doi.org/10.1117/12.444561
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

We propose a novel method of transform spectral measurement, based on the diffraction of light through the side of a waveguide fabricated in photorefractive crystal where a holographic grating is recorded by holography. The optical spectrum can be obtained by Fourier transform for the interference pattern, which is formed by lights diffracted from counter-propagating mode in the waveguide. Changing the periodic length of the holographic Bragg grating recorded in the waveguide can widen the range of measurable spectrum. This spectral measurement method is well suited as high- resolution wavelemeter, terminal network spectrum monitor and spectral measurement advice for fiber-grating sensor.

Citation Download Citation

Manli Hu, Jifang Liu, Yulin Li, and Yushan Tan "Fourier-transform spectral measurement with waveguide holographic grating", Proc. SPIE 4603, Fiber Optics and Optoelectronics for Network Applications, (16 October 2001); https://doi.org/10.1117/12.444561

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