公开(公告)号：US20210143613A1

公开(公告)日：2021-05-13

申请号：US16629891

申请日：2018-07-04

Applicant: University Court of the University of St Andrews

Inventor： Markus Karl ,  Malte C. Gather ,  Ifor David William Samuel ,  Graham A. Turnbull

IPC: H01S5/36 ,  H01S5/183 ,  H01S5/04 ,  B42D25/36 ,  B42D25/328 ,  B42D25/45 ,  G06K7/14 ,  G06K7/10 ,  G06K7/12

Abstract: A security or identification device comprises a membrane laser structure configured to be optically pumped. The membrane laser structure comprises a flexible emission layer comprising a gain material; and one or more structures formed in or associated with the flexible emission layer and configured to provide optical feedback in the emission layer to produce a laser light output having at least one property representing an identifier.

公开(公告)号：US11719686B2

公开(公告)日：2023-08-08

申请号：US15531118

申请日：2015-11-09

Applicant: University Court of the University of St Andrews

Inventor： Malte C. Gather ,  Nils Kronenberg ,  Philipp Liehm

IPC: G01N33/483 ,  G01N13/00 ,  G01L5/00 ,  G01L1/24

CPC classification number: G01N33/4833 ,  G01L1/24 ,  G01L5/0052 ,  G01N13/00 ,  G01N33/483 ,  G01N2203/0089

Abstract: A system for measuring cellular forces exerted on a surface comprising: a deformable sensor that has a deformable surface adapted to deform on application of a cellular force, and an optical detector for optically detecting deformation of the surface.

公开(公告)号：US11509118B2

公开(公告)日：2022-11-22

申请号：US16629891

申请日：2018-07-04

Applicant: University Court of the University of St Andrews

Inventor： Markus Karl ,  Malte C. Gather ,  Ifor David William Samuel ,  Graham A. Turnbull

IPC: G06K7/10 ,  H01S5/36 ,  B42D25/328 ,  B42D25/36 ,  B42D25/45 ,  G06K7/12 ,  G06K7/14 ,  H01S5/04 ,  H01S5/183 ,  B42D25/21 ,  B42D25/29 ,  G07D7/1205 ,  G07D7/202

Abstract: A security or identification device comprises a membrane laser structure configured to be optically pumped. The membrane laser structure comprises a flexible emission layer comprising a gain material; and one or more structures formed in or associated with the flexible emission layer and configured to provide optical feedback in the emission layer to produce a laser light output having at least one property representing an identifier.