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1. WO2017192193 - HEAT EXCHANGERS WITH TAPERED LIGHT SCRAPERS FOR HIGH-POWER LASER SYSTEMS AND OTHER SYSTEMS

Publication Number WO/2017/192193
Publication Date 09.11.2017
International Application No. PCT/US2017/015997
International Filing Date 01.02.2017
IPC
H01S 3/00 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
CPC
G02B 5/003
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
003Light absorbing elements
H01S 3/005
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
005Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
H01S 3/04
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
02Constructional details
04Arrangements for thermal management
H01S 3/0401
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
02Constructional details
04Arrangements for thermal management
0401of optical elements being part of laser resonator, e.g. windows, mirrors, lenses
H01S 3/0405
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
02Constructional details
04Arrangements for thermal management
0405Conductive cooling, e.g. by heat sinks or thermo-electric elements
H01S 3/0407
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
02Constructional details
04Arrangements for thermal management
0407Liquid cooling, e.g. by water
Applicants
  • RAYTHEON COMPANY [US]/[US]
Inventors
  • KOONTZ, Christopher R.
  • CABRERA, Reynaldo
Agents
  • DOYLE, David M.
  • MUNCK, William A.
Priority Data
15/146,74704.05.2016US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HEAT EXCHANGERS WITH TAPERED LIGHT SCRAPERS FOR HIGH-POWER LASER SYSTEMS AND OTHER SYSTEMS
(FR) ÉCHANGEURS DE CHALEUR À RACLOIRS LUMINEUX CONIQUES POUR SYSTÈMES LASER DE GRANDE PUISSANCE ET AUTRES SYSTÈMES
Abstract
(EN)
An apparatus includes a heat exchanger (122, 200, 300, 400) with a body (202, 302) having a passage (123, 204, 304, 404) through the body. The passage defines apertures on multiple sides of the body, and the passage is configured to allow optical signals (106, 206) to pass through the body. One or more tapered edges (126, 212, 312) are at least partially around one or more of the apertures, and each tapered edge is configured to reflect optical radiation (118, 120) inward into the passage. One or more absorptive surfaces (210a-210b, 310) are within the passage, and the one or more absorptive surfaces are configured to absorb the reflected optical radiation. The heat exchanger is configured to convert the absorbed optical radiation into heat, and the body further includes one or more cooling channels (124, 208a-208b, 308a-308b) configured to receive coolant that absorbs the heat.
(FR)
L'invention concerne un appareil comprenant un échangeur de chaleur (122, 200, 300, 400) doté d'un corps (202, 302) muni d'un passage (123, 204, 304, 404) à travers le corps. Le passage définit des ouvertures sur de multiples côtés du corps, et le passage est configuré pour permettre à des signaux optiques (106, 206) de passer à travers le corps. Un ou plusieurs bords coniques (126, 212, 312) se trouvent au moins partiellement autour d'une ou de plusieurs des ouvertures, et chaque bord conique est configuré pour réfléchir un rayonnement optique (118, 120) vers l'intérieur dans le passage. Une ou plusieurs surfaces absorbantes (210a-210b, 310) se trouvent à l'intérieur du passage, et ladite ou lesdites surfaces absorbantes sont configurées pour absorber le rayonnement optique réfléchi. L'échangeur de chaleur est conçu pour convertir le rayonnement optique absorbé en chaleur, et le corps comprend en outre un ou plusieurs canaux de refroidissement (124, 208a-208b, 308a-308b) configurés pour recevoir un fluide de refroidissement qui absorbe la chaleur.
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