LASER DEVICE

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...

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Bibliographic Details
Main Authors TURNBULL, Graham A, KARL, Markus, GATHER, Malte C, SAMUEL, Ifor David William
Format Patent
LanguageEnglish
French
German
Published 20.12.2023
Subjects
BASIC ELECTRIC ELEMENTS
CALCULATING
CHECKING-DEVICES
COMPUTING
COUNTING
DEVICES USING STIMULATED EMISSION
ELECTRICITY
HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Summary: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.
Bibliography:Application Number: EP20180742544