Title:
ADJUSTABLE OPTICAL FILTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/056279
Kind Code:
A1
Abstract:
An adjustable optical filter device, the device comprising a first substrate (2) provided with a first Bragg reflector (3) and a second substrate (8) provided with a second Bragg reflector (7), wherein the peripheries of the surfaces of the Bragg reflector (3) and the second Bragg reflector (7) are bonded to each other by means of a bonding material so as to form a cavity between the two Bragg reflectors; a first electrode (4) is provided between the first Bragg reflector (3) and the bonding material, and the second Bragg reflector (7) is provided with a second electrode (6) opposite to the first electrode (4) in the cavity. The adjustable optical filter is small in size and easy to process and assemble, and may be widely applied to small hyperspectral optical devices such as mobile phones and handheld hyperspectral cameras.
More Like This:
Inventors:
GUO BIN (CN)
Application Number:
PCT/CN2019/107912
Publication Date:
April 01, 2021
Filing Date:
September 25, 2019
Export Citation:
Assignee:
SHENZHEN HYPERNANO OPTICS TECH CO LTD (CN)
International Classes:
B81B3/00; G02B5/28
Foreign References:
CN106133563A | 2016-11-16 | |||
CN104062700A | 2014-09-24 | |||
CN104007546A | 2014-08-27 | |||
CN103293660A | 2013-09-11 | |||
CN103576311A | 2014-02-12 | |||
US6384953B1 | 2002-05-07 |
Attorney, Agent or Firm:
XIAMEN FEBE INTELLECTUAL PROPERTY AGENCY GP (CN)
Download PDF: