公开(公告)号：US20230384179A1

公开(公告)日：2023-11-30

申请号：US18130253

申请日：2023-04-03

Applicant: Tamron Co., Ltd.

Inventor： Wataru FUJI ,  Akira ONODA ,  Terufusa KUNISADA

IPC: G01M3/04

CPC classification number: G01M3/04

Abstract: A gas detection device includes a gas detection system configured to image while irradiating, in a dot array shape, infrared light having an absorption wavelength of a gas from a light source, and generates, with a CPU, information on an emphasis image of an image of the gas from image information when irradiating and image information when not irradiating, and a display unit.

公开(公告)号：US20240118454A1

公开(公告)日：2024-04-11

申请号：US18242907

申请日：2023-09-06

Applicant: Tamron Co., Ltd.

Inventor： Jie LI ,  Terufusa KUNISADA

IPC: G02B1/00 ,  G02B3/08

CPC classification number: G02B1/002 ,  G02B3/08

Abstract: A meta-surface optical element includes a substrate and pillars made of a-Si:H and arranged on a surface of the substrate. The pillars on the surface of the substrate are away from each other at a distance in a range of 300 to 450 nm between the centers thereof, the pillars have heights in a range of 300 to 580 nm, and the pillars have diameters in a range of 100 to 250 nm.