Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Michael Hofbauer"'
Autor:
Christoph Ribisch, Michael Hofbauer, Kerstin Schneider-Hornstein, Alexander Kuttner, Martin Jungwirth, Horst Zimmermann
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 3, Pp 1-8 (2024)
A circuit to control heating resistors with a pulse-width modulated (PWM) signal for a photonic quantum simulator is introduced. The output voltage is switched on for a changeable specified time and switched off for the rest of the period. The length
Externí odkaz:
https://doaj.org/article/e1d3a683495c4f0caaa8819e5bb089f8
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 6, Pp 1-8 (2023)
This work presents the application of Direct-Sequence Code-Division-Multiple-Access (DS-CDMA) to tackle the primary problem of simultaneous multi-access of a shared light channel in an indirect Time-of-Flight measurement system based on on-off-keyed
Externí odkaz:
https://doaj.org/article/131e73f4f44b447e89f9c58b845a2965
Autor:
Seyed Saman Kohneh Poushi, Christoph Gasser, Bernhard Goll, Michael Hofbauer, Kerstin Schneider-Hornstein, Horst Zimmermann
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 3, Pp 1-9 (2023)
This paper presents a CMOS-integrated linear-mode avalanche photodiode based on electric field-line crowding (EFLC-APD) to form an effective multiplication zone and a wide absorption zone. The EFLC-APD possesses a hemispherical avalanching electric f
Externí odkaz:
https://doaj.org/article/ddbd856f70ad4ece87a73d760dace839
Autor:
Christoph Ribisch, Michael Hofbauer, Seyed Saman Kohneh Poushi, Alexander Zimmer, Kerstin Schneider-Hornstein, Bernhard Goll, Horst Zimmermann
Publikováno v:
Sensors, Vol 23, Iss 24, p 9644 (2023)
A gating circuit for a photonic quantum simulator is introduced. The gating circuit uses a large excess bias voltage of up to 9.9 V and an integrated single-photon avalanche diode (SPAD). Nine channels are monolithically implemented in an application
Externí odkaz:
https://doaj.org/article/42c5031092cb465793f33ad647689fa4
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-6 (2022)
This work describes the architecture and measured capabilities of an optical distance sensing application specific integrated circuit (ASIC) manufactured in 0.35 μm CMOS with a nominal supply voltage of 3.3 V for indirect time-of-flight. An integrat
Externí odkaz:
https://doaj.org/article/cd3b5200b9174261a81595de36ca88f4
Autor:
Michael Hauser, Michael Hofbauer
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 1, Pp 1-8 (2022)
We developed a digital electro-optical phase-locked-loop (EO-PLL) utilizing a repetitive control, allowing the use of very nonlinear tunable lasers for frequency-modulated continuous-wave (FMCW) light detection and ranging (LIDAR) applications. This
Externí odkaz:
https://doaj.org/article/a3c9c8a4eea44d08a368fb7854134d6a
Publikováno v:
Sensors, Vol 23, Iss 5, p 2733 (2023)
The purpose of this work is to prove the suitability of integrated single-photon avalanche diode (SPAD)-based indirect time-of-flight (iTOF) for sub-100 µm precision depth sensing using a correlation approach with GHz modulation frequencies. For thi
Externí odkaz:
https://doaj.org/article/38297086948943e19cef8ec402451562
Autor:
Seyed Saman Kohneh Poushi, Bernhard Goll, Kerstin Schneider-Hornstein, Michael Hofbauer, Horst Zimmermann
Publikováno v:
Sensors, Vol 23, Iss 7, p 3403 (2023)
This paper presents a CMOS-integrated dot avalanche photodiode (dot-APD) that features a small central n+/p-well hemispherical cathode/p-well structure circularly surrounded by an anode ring. The dot-APD enables wide hemispherical depletion, charge c
Externí odkaz:
https://doaj.org/article/a6043fa155c44cd48feb0d0e11148c1d
Publikováno v:
Agronomy, Vol 13, Iss 1, p 217 (2023)
Soil erosion by water causes the loss of soil mineral particles and soil organic carbon (SOC). For determining the effectiveness of soil conservation measures on arable land, rainfall simulations are regularly carried out in field trials in the Czech
Externí odkaz:
https://doaj.org/article/bde12c50dabc43ff9eea48728d667340
Autor:
Michaela ŠKEŘÍKOVÁ, Václav BRANT, Milan KROULÍK, Jan PIVEC, Petr ZÁBRANSKÝ, Josef HAKL, Michael HOFBAUER
Publikováno v:
Plant, Soil and Environment, Vol 64, Iss 8, Pp 367-378 (2018)
Evapotranspiration and transpiration measurements represent a tool for the assessment of crop water demand. The aim of this study was to compare sorghum and maize with respect to its potential for forage production in areas with insufficient precipit
Externí odkaz:
https://doaj.org/article/0e4a6ac17037424cb0e4ce2191c89458