Title:
SPOT LIGHT GENERATION DEVICE, OPTICAL INFORMATION DETECTION DEVICE, AND MICROSCOPE
Document Type and Number:
WIPO Patent Application WO/2023/026398
Kind Code:
A1
Abstract:
The spot light generation device pertaining to the present invention comprises an optical modulator having a modulation surface configured so as to be capable of amplitude modulation of incident laser light, and a condensing element for condensing laser light emitted from the optical modulator. In the modulation surface, as regions for transmitting or reflecting the incident laser light, there are formed a pair of arcuate regions divided by a region in a prescribed angle range based on positions mutually symmetrical about the center of the modulation surface in an annular region having a prescribed width and a prescribed radius from the center.
Inventors:
KOZAWA YUICHI (JP)
Application Number:
PCT/JP2021/031166
Publication Date:
March 02, 2023
Filing Date:
August 25, 2021
Export Citation:
Assignee:
UNIV TOHOKU (JP)
International Classes:
G02B21/06
Domestic Patent References:
| WO2015030202A1 | 2015-03-05 |
Foreign References:
| JP2012037911A | 2012-02-23 | |||
| JP2011114041A | 2011-06-09 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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