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1. (WO2018162456) LASER DRIVER
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Pub. No.: WO/2018/162456 International Application No.: PCT/EP2018/055425
Publication Date: 13.09.2018 International Filing Date: 06.03.2018
IPC:
H01S 5/042 (2006.01) ,G01S 17/00 (2006.01) ,H03K 3/354 (2006.01) ,H01S 5/062 (2006.01) ,H01S 5/068 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
S
DEVICES USING STIMULATED EMISSION
5
Semiconductor lasers
04
Processes or apparatus for excitation, e.g. pumping
042
Electrical excitation
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
K
PULSE TECHNIQUE
3
Circuits for generating electric pulses; Monostable, bistable or multistable circuits
02
Generators characterised by the type of circuit or by the means used for producing pulses
353
by the use, as active elements, of field-effect transistors with internal or external positive feedback
354
Astable circuits
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
S
DEVICES USING STIMULATED EMISSION
5
Semiconductor lasers
06
Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
062
by varying the potential of the electrodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
S
DEVICES USING STIMULATED EMISSION
5
Semiconductor lasers
06
Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
068
Stabilisation of laser output parameters
Applicants:
SENSL TECHNOLOGIES LTD. [IE/IE]; Building 6800 Avenue 6000 Cork Airport Business Park County Cork, IE
Inventors:
BELLIS, Stephen; IE
PAVLOV, Nikolay; IE
JACKSON, John Carlton; IE
Agent:
MANITZ FINSTERWALD PATENTANWÄLTE PARTMBB; Bernhard Becker Postfach 310220 München, 80102, DE
Priority Data:
15/451,90507.03.2017US
Title (EN) LASER DRIVER
(FR) PILOTE LASER
Abstract:
(EN) A laser driver is described which comprises a resonant circuit having an inductor and a DC blocking capacitor. A biasing voltage reference is operably coupled to the inductor. A controller is operable for controlling the resonant circuit for selectively connecting the inductor between high and low impedance. The DC blocking capacitor is operable for connecting to a laser diode.
(FR) L'invention concerne un pilote laser qui comprend un circuit résonant ayant un inducteur et un condensateur de blocage de courant continu. Une référence de tension de polarisation est couplée de manière fonctionnelle à l'inducteur. Un dispositif de commande peut être utilisé pour commander le circuit résonant afin de connecter sélectivement l'inducteur entre une impédance élevée et une impédance faible. Le condensateur de blocage de courant continu est utilisable pour être connecté à une diode laser.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)