Image sensor with hybrid emission filter for in vivo fluorescent imaging | Zendy

Sasagawa Kiyotaka | Zendy; Rustami Erus | Zendy; Ohta Yasumi | Zendy; Haruta Makito | Zendy; Takehara Hironari | Zendy; Tashiro Hiroyuki | Zendy; Ohta Jun | Zendy

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Image sensor with hybrid emission filter for in vivo fluorescent imaging

Author(s) -

Sasagawa Kiyotaka,

Rustami Erus,

Ohta Yasumi,

Haruta Makito,

Takehara Hironari,

Tashiro Hiroyuki,

Ohta Jun

Publication year - 2021

Publication title -

electronics and communications in japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.131

H-Index - 13

eISSN - 1942-9541

pISSN - 1942-9533

DOI - 10.1002/ecj.12313

Subject(s) - filter (signal processing) , band pass filter , materials science , optical filter , interference filter , image sensor , optics , fluorescence , acoustics , computer science , optoelectronics , computer vision , physics , wavelength

In this paper, we report a method of fabricating an implantable image sensor equipped a bandpass hybrid filter for highly sensitive fluorescence observation. A hybrid filter that combines an interference filter and an absorption filter enables a high excitation light removal performance in an implantable image sensor that does not use a lens. In this study, a thin hybrid filter was successfully mounted on the image sensor using the transfer method by using a laser lift‐off technique. The transferred filter has no crack. It was demonstrated that the prototype device exhibited high excitation light removal performance and was able to acquire a fluorescent image with high contrast.

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