Modified illumination method for separation of transmitted and scattered light component by the imaging-type 2-dimensional Fourier spectroscopy

Kana Yanogawa; Yasutoshi Takakura; Takeshi Kawajiri; Kazuya Yamamoto; Takaki Harada; Ichirou Ishimaru

doi:10.1117/12.807241

17 November 2008 Modified illumination method for separation of transmitted and scattered light component by the imaging-type 2-dimensional Fourier spectroscopy

Kana Yanogawa, Yasutoshi Takakura, Takeshi Kawajiri, Kazuya Yamamoto, Takaki Harada, Ichirou Ishimaru

Author Affiliations +

Proceedings Volume 7266, Optomechatronic Technologies 2008; 72660J (2008) https://doi.org/10.1117/12.807241
Event: International Symposium on Optomechatronic Technologies, 2008, San Diego, California, United States

Abstract

We proposed the imaging type 2-D Fourier spectroscopy that has the phase shifter on the Fourier transform plane. The objective lights from the transmitted component and the scattered component of the measurement object are dispersed on the different area of the Fourier transform plane. Thus, by introducing the spatial filter, we can emphatically observe the spectral characteristics of the scattered component light. And the spectral characteristics of the transmitted component and the scattered component are separately analyzed. But to apply this proposed spectroscopy to biological membrane, the transmitted light is also diffused by complex refractive index distribution of membrane. Hence, to control the directionality of the diffused reflected light, we propose the modified illumination method. By this proposed method, since the diffused reflected light form the diffracted light, we can control the diffused light as diffracted light to apply for the biological membrane.

Citation Download Citation

Kana Yanogawa, Yasutoshi Takakura, Takeshi Kawajiri, Kazuya Yamamoto, Takaki Harada, and Ichirou Ishimaru "Modified illumination method for separation of transmitted and scattered light component by the imaging-type 2-dimensional Fourier spectroscopy", Proc. SPIE 7266, Optomechatronic Technologies 2008, 72660J (17 November 2008); https://doi.org/10.1117/12.807241

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