LASER DEVICE

• Main Authors: TURNBULL, Graham A, KARL, Markus, GATHER, Malte C, SAMUEL, Ifor David William
• Format: Patent
• Language: English; 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

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...