Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Jussi-Pekka Jansson"'
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 2, Pp 1-7 (2024)
A solid-state three-dimensional (3-D) range imager using the pulsed time-of-flight principle and a single photon avalanche diode (SPAD) based receiver is demonstrated. Contrary to conventional flood illumination, the suggested system uses sequentiall
Externí odkaz:
https://doaj.org/article/cb891b64adc04fa58de1680bc8424ee7
Autor:
Juha Kostamovaara, Sahba Jahromi, Lauri Hallman, Guoyong Duan, Jussi-Pekka Jansson, Pekka Keranen
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 2, Pp 1-11 (2022)
Full realization of a solid-state 3-D range imager based on the pulsed time-of-flight method is presented. The system uses block-based segmented illumination in the transmitter realized with a 16-element common anode laser diode bar. The receiver is
Externí odkaz:
https://doaj.org/article/7db222db7816471191b5186a80b2b386
On Two-Dimensional Rangefinding Using a ∼1 nJ/∼100 ps Laser Diode Transmitter and a CMOS SPAD Matrix
Publikováno v:
IEEE Photonics Journal, Vol 10, Iss 4, Pp 1-12 (2018)
A potentially compact 2-D range profiler for noncooperative targets with a distance range of >10 m is demonstrated. A laser diode utilizing enhanced gain switching is used as a transmitter to provide short, high-energy optical pulses (~1 nJ/140 ps).
Externí odkaz:
https://doaj.org/article/b827d723b91a49149c14bf6caff47a16
Publikováno v:
IEEE Journal of Solid-State Circuits. 55:1960-1970
A single-chip receiver for pulsed laser direct time-of-flight 3-D imaging applications has been realized in a 0.35- $\mu \text{m}$ HV CMOS technology. The chip includes a $32 \times 128$ single-photon avalanche diode (SPAD) array [35% fill factor (FF
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5893dff8091d5487c4e9912da242c5d1
https://doi.org/10.1109/jssc.2020.2970704
https://doi.org/10.1109/jssc.2020.2970704
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 69:3928-3935
A time-to-digital converter (TDC) often consists of sophisticated, multilevel, subgate delay structures, when time intervals need to be measured precisely. The resolution improvement is rewarding until integral nonlinearity (INL) and random jitter be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::686015856a129acbb87aa4ee84085d66
https://doi.org/10.1109/tim.2019.2932156
https://doi.org/10.1109/tim.2019.2932156
Autor:
Sahba Jahromi, Eugene A. Avrutin, Pekka Keranen, Juha Kostamovaara, Boris S. Ryvkin, Jussi-Pekka Jansson
Publikováno v:
Optical Engineering. 60
A laser diode illuminator for single-photon avalanche diode detection-based pulsed time-of-flight 3D range imaging is presented. The illuminator supports a block-based illumination scheme and consists of a 16-element custom-designed common anode quan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::937e5ebd8aa03e2bb2f1aa60e3015f68
https://doi.org/10.1117/1.oe.60.5.054105
https://doi.org/10.1117/1.oe.60.5.054105
A laser radar receiver channel targeted at pulsed time-of-flight laser radar applications using 5ns…20ns laser pulses at the 1550nm wavelength region has been designed. The receiver includes a transimpedance preamplifier, post-amplifiers and analog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a3204f9354e4e6039746e1b28cbae47
http://urn.fi/urn:nbn:fi-fe2021120959908
http://urn.fi/urn:nbn:fi-fe2021120959908
Autor:
Sahba Jahromi, Anssi J. Mäkynen, Jussi-Pekka Jansson, Jan Nissinen, Kalle Haapalainen, Harri Juttula
Publikováno v:
I2MTC
A 9x9 Single-Photon Avalanche Photodiode (SPAD) array with a 10-channel time-to-digital converter and an integrated laser diode driver fabricated in 0.35 μm HV- CMOS technology were used to carry out time domain diffuse optics measurements of optica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee509885190f34d9314fe520918539f7
https://doi.org/10.1109/i2mtc43012.2020.9129341
https://doi.org/10.1109/i2mtc43012.2020.9129341
An integrated receiver-TDC (time-to-digital converter) chip set is developed for pulsed time-of-flight (TOF) laser rangefinding. The receiver detects the current pulse from the optical detector and produces a timing mark for the TDC. The receiver use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bf7e43b17d438257e69a8d6012f1812
http://urn.fi/urn:nbn:fi-fe2019120946173
http://urn.fi/urn:nbn:fi-fe2019120946173
Publikováno v:
I2MTC
A laser rangefinder device based on pulsed time-of-flight (TOF) distance measurement techniques was constructed and tested. Key blocks of the system are the integrated receiver channel and the integrated time-to-digital converter (TDC) fabricated in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ea4c6820c0ebf8803d5b2b58214d737
https://doi.org/10.1109/i2mtc.2018.8409646
https://doi.org/10.1109/i2mtc.2018.8409646