TITLE

Laser pulser for a time-of-flight laser radar

AUTHOR(S)
Kilpela, Ari; Kostamovaara, Juha
PUB. DATE
June 1997
SOURCE
Review of Scientific Instruments;Jun97, Vol. 68 Issue 6, p2253
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Presents a laser pulser for a pulsed time-of-flight laser radar. Construction of the pulser using a single avalanche transistor in order to keep the schematic simple and to avoid the problems encountered when connecting several avalanche transistors in parallel; Structure of a laser pulser.
ACCESSION #
4290480

 

Related Articles

  • Plasma-based nitrogen tail pulse shutter for CO[sub 2] -TEA lidar dial systems. Gasmi, T.; Zeaiter, H.A.; Ropero, G.; González Urena, A. // Applied Physics B: Lasers & Optics;2000, Vol. 71 Issue 2, p169 

    Abstract. This paper presents the construction, use and characterisation of a laser-induced sealed plasma shutter to clip off the nitrogen pulse tail of a CO[sub 2]-TEA laser-based lidar dial system. Investigation of the optimum gas filling pressure, temporal profile of the clipped pulse, and...

  • Climate research institute turns to lasers.  // Electro Optics;Feb/Mar2010, Issue 204, p5 

    The article reports on the installation of an excimer laser system from Coherent by Karlsruhe Institute of Technology, located at the Zugspitze mountain in Germany, as part of its laser imaging detection and ranging system.

  • Slow-light lidar scans independently in two dimensions.  // Laser Focus World;Feb2012, Vol. 48 Issue 2, p10 

    The article focuses on a study conducted by researchers from the University of Rochester and the University of Ottawa which showed that slow-light lidar beams steer independently in two dimensions.

  • A high-power picosecond near-infrared laser transmitter module. Vainshtein, Sergey N.; Maslevtsov, Andrey V.; Kilpela¨, Ari J.; Kostamovaara, Juha T. // Review of Scientific Instruments;Nov2000, Vol. 71 Issue 11 

    A compact laser diode based transmitter was designed and tested for laser radar and various laboratory applications. Single optical pulses with a peak power of up to 200 W, 23-65 ps pulse duration, and a repetition rate of up to 50 kHz were measured. Transient mode spectral filtering suppressed...

  • Mapping Shoreline Position Using Airborne Laser Altimetry. Robertson, William; Whitman, Dean; Zhang, Keqi; Leatherman, Stephen P. // Journal of Coastal Research;Summer2004, Vol. 20 Issue 3, p884 

    This paper examines the feasibility of using LIDAR surveys to update existing historical shoreline data sets by comparing contour shorelines and the high water line (HWL) at eight study locations in North and South Carolina. The analysis was based on airborne LIDAR topography and orthoimagery...

  • Modifications to the lidar equation due to nonlinear propagation in air. Faye, G.; Kasparian, J.; Sauerbrey, R. // Applied Physics B: Lasers & Optics;2001, Vol. 73 Issue 2, p157 

    We study how the well-known lidar equation is affected by the use of ultra-short, high-power laser pulses. Because of the self-focusing and self-guiding, the overlap function ξ, representing the reduction fraction of the signal resulting from geometrical effects inside the experimental...

  • A City Revealed. T. G. // ASEE Prism;Sep2010, Vol. 20 Issue 1, p21 

    The article reports on the use of light detecting and ranging (lidar), a laser-based remote sensing technology, which sends out pulses of laser light and reflect back to measuring instruments.

  • Timing discriminator for pulsed time-of-flight laser rangefinding measurements Kilpela, Ari; Ylitalo, Juha; Maatta, Kari; Kostamovaara, Juha // Review of Scientific Instruments;May98, Vol. 69 Issue 5, p1978 

    Develops a time-pickoff circuit based on constant fraction discriminator (CFD) timing principle for pulse time-of-flight laser rangefinding measurement. Construction of pulsed time-of-flight laser radar; Types of comparators tested in CFD; Sources of walk error; Way of reducing the walk error.

  • Estimation of required parameters for detection of small smoke plumes by lidar at 1.54 μm. Vilar, R.; Lavrov, A. // Applied Physics B: Lasers & Optics;2000, Vol. 71 Issue 2, p225 

    Abstract. Parameters of eyesafe lidar at 1.54 micro m for detection of small plumes of smoke from burning wood or oil have been evaluated. It was assumed that a diode-pumped solid-state Er:glass laser at 1.54 micro m or a Nd:YAG laser with a Raman cell or optical-parametric oscillator is used as...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics