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1. (WO2017095817) LIDAR SYSTEM WITH DISTRIBUTED LASER AND MULTIPLE SENSOR HEADS AND PULSED LASER FOR LIDAR SYSTEM
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/095817 International Application No.: PCT/US2016/064020
Publication Date: 08.06.2017 International Filing Date: 29.11.2016
IPC:
G01C 3/08 (2006.01) ,G01B 11/26 (2006.01) ,G01C 1/00 (2006.01) ,G01C 1/06 (2006.01)
G PHYSICS
01
MEASURING; TESTING
C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
3
Measuring distances in line of sight; Optical rangefinders
02
Details
06
Use of electric means to obtain final indication
08
Use of electric radiation detectors
G PHYSICS
01
MEASURING; TESTING
B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
11
Measuring arrangements characterised by the use of optical means
26
for measuring angles or tapers; for testing the alignment of axes
G PHYSICS
01
MEASURING; TESTING
C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
1
Measuring angles
G PHYSICS
01
MEASURING; TESTING
C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
1
Measuring angles
02
Theodolites
06
Arrangements for reading scales
Applicants:
LUMINAR TECHNOLOGIES, INC. [US/US]; 12601 Research Parkway Orlando, FL 32826, US
Inventors:
VILLENEUVE, Alain; US
EICHENHOLZ, Jason, M.; US
RUSSELL, Austin, K.; US
CAMPBELL, Scott, R.; US
CLEYE, Rodger, W.; US
LACHAPELLE, Joseph, G.; US
WEED, Matthew, D.; US
MARTIN, Lane, A.; US
Agent:
ALTMAN, Daniel, E.; US
Priority Data:
62/261,21430.11.2015US
Title (EN) LIDAR SYSTEM WITH DISTRIBUTED LASER AND MULTIPLE SENSOR HEADS AND PULSED LASER FOR LIDAR SYSTEM
(FR) SYSTÈME LIDAR AVEC LASER DISTRIBUÉ ET PLUSIEURS TÊTES DE DÉTECTION ET LASER PULSÉ POUR SYSTÈME LIDAR
Abstract:
(EN) A lidar system includes a light source, multiple optical links, and multiple sensor heads. Each optical link couples the light source to a corresponding sensor head, and each optical link conveys emitted pulses of light to the corresponding sensor head. Each sensor head includes a scanner and a detector. A laser system includes a seed laser and a first fiber-optic amplifier to amplify the seed pulses. The laser system further includes an optical filter to remove an amount of amplified spontaneous emission from the output of the first amplifier. The laser system also includes a second fiber-optic amplifier to receive the amplified seed pulses from the first optical filter. The output pulses have characteristics that include: a repetition frequency less than or equal to 100 MHz; a duration less than or equal to 20 nanoseconds; and a duty cycle less than or equal to 1%.
(FR) L'invention concerne un système lidar qui comprend une source lumineuse, plusieurs liaisons optiques, et plusieurs têtes de détection. Chaque liaison optique couple la source lumineuse à une tête de détection correspondante, et chaque liaison optique achemine des impulsions de lumière émises vers la tête de détection correspondante. Chaque tête de détection comprend un scanner et un détecteur. Un système laser comprend un laser d'injection et un premier amplificateur à fibre optique pour amplifier les impulsions d'injection. Le système laser comprend également un filtre optique afin d'éliminer une partie de l'émission spontanée amplifiée provenant de la sortie du premier amplificateur. Le système laser comprend également un second amplificateur à fibre optique pour recevoir les impulsions d'injection amplifiées provenant du premier filtre optique. Les impulsions sorties ont des caractéristiques qui comprennent : une fréquence de répétition inférieure ou égale à 100 MHz ; une durée inférieure ou égale à 20 nanosecondes ; et un rapport cyclique inférieur ou égal à 1 %.
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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, JP, KE, KG, 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 Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)
Also published as:
CN108603758EP3411660