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Saturday, February 8, 2020 | History

3 edition of Development of mid-infrared solid state lasers for spaceborne lidar found in the catalog.

Development of mid-infrared solid state lasers for spaceborne lidar

Development of mid-infrared solid state lasers for spaceborne lidar

final report

by

  • 389 Want to read
  • 29 Currently reading

Published by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in [Hampton, Va, Springfield, Va .
Written in English

    Subjects:
  • Infrared radiation.,
  • Laser applications.,
  • Laser pumping.,
  • Lasing.,
  • Optical radar.,
  • Solid state lasers.

  • Edition Notes

    StatementDonald A. Whitney, principal investigator, Kyong H. Kim, co-principal investigator.
    SeriesNASA CR -- 183290., NASA contractor report -- NASA CR-183290.
    ContributionsKim, Kyong H., Langley Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL16126880M

    The LIDAR is based upon two major innovations: 1 Multi-component chemical analysis will be enabled thorough application of novel mid-IR widely tunable external cavity quantum cascade lasers with mode-hop-free high resolution wavelength tuning capability. Innovative technologies that can expand current measurement capabilities to airborne, spaceborne, or Unmanned Aerial Vehicle UAV platforms are particularly desirable. Most materials exhibit all three properties when interacting with light: partly transmission, partly reflection, and partly absorption. These studies involved crystal growth and fabrication, coloration, optical light processing of centers, and spectroscopic measurements.

    Laser performance using Nd:YAG, Ti:sapphire, and krypton ion pump lasers is characterized and recommendations are made concerning the feasibility of building a diode-pumped system. This data is transformed, and features are extracted from it. T-rays can be used to reveal explosives or other dangerous substances in packaging, corrugated cardboard, clothing, shoes, backpacks, and book bags. This was obtained in a pulse length of nearly microsec from a 3 x 3 mm Ho:Tm:Cr:YAG rod by using the flashlamp-pumped Cr:CSAG laser as a pumping source at the diode laser wavelength, micrometers. On the order of a million optical antennas are used to see a radiation pattern of a certain size in a certain direction.

    Mobile lidar also mobile laser scanning is when two or more scanners are attached to a moving vehicle to collect data along a path. So at least in the short term, you don't see these non-rotating solid state sensors replacing the existing sensors that you have? It forms the basis for us eventually being able to build the next wave of lidar. Detectors must be linear over 4 orders of magnitude in dynamic range and suitable for analog detection schemes. Naturally, that also means that you have a smaller field of view. The workshop was organized to facilitate information exchange across a number of technologies from remote sensing requirements to crystal growth of the materials important for the development of the tunable laser sources.


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Development of mid-infrared solid state lasers for spaceborne lidar Download PDF Ebook

Over the last year or two, however, we've seen some prototypes of solid state lidars—lidar sensors that take all of that bulky and costly hardware and squish it down onto one or two chips that can be mass produced for cheap. Landsat satellites have high resolution and global coverage.

Pulse pair and spectral processing drive the need for a large aperture to reduce the effect of platform motion on Doppler estimates. Drones are now being used with laser scanners, as well as other remote sensors, as a more economical method to scan smaller areas.

With regard to the terahertz spectrum band, terahertz frequencies are useful for investigating biological molecules. In addition to instrument systems, innovative component technologies that directly address the measurement needs above will be considered.

These are the three main metrics, because you want to be able to create a very accurate three dimensional map of the world around you. SpaceX reusable rocket capacity since December of 5. There are two types of reflection: one is specular reflection and another is diffuse reflection.

Solid State Lasers

Spaceborne platforms are also possible, see satellite laser altimetry. Lidar sensors can detect the edges of rows, so that farming equipment can continue moving until GPS signal is reestablished. There is a path to getting a puck sensor down to a very competitive cost point as well, so when you talk about cost, you have to really take into account what you're trying to achieve with the sensor.

For example, an imaging camera is usually regarded as a passive sensor. Extensive field testing will be conducted. The emphasis was on the recent developments in tunable solid state laser sources Development of mid-infrared solid state lasers for spaceborne lidar book to meet the future transmitter requirements for global remote sensing.

It can be seen that when a light is split into multiple spectrums, the greater the number of spectrums is, the lower the imaging resolution will be. They can also be deployed in manufacturing facilities that are subject to occupational health and safety regulations.

High speed, low loss receiver protector is necessary to prevent RF damage of the receiver components. This is currently the most detailed and accurate method of creating digital elevation modelsreplacing photogrammetry. Detectors must have an active area diameter greater than 0.References i.

Donald A. Whitney and Kyong magicechomusic.com, "Development of Mid-Infrared Solid-State Lasers for Spaceborne Lidar," NASA Contractor Report, NASA-CR, 32 pp., October Spaceborne lasers development for ALADIN and ATLID instruments Abstract: ALADIN TXA and ATLID TxA are All-Solid-State, compact, state-of-the-art, Transmitter-laser Assemblies for the Aeolus wind lidar and Earth Care Atmospheric lidar satellites magicechomusic.com by: 6.

In addition to the laser source and the detector, the other critical technologies necessary for global wind measurements by a spaceborne solid state coherent lidar systems were identified to be Author: Farzin Amzajerdian.SUMMARY Pdf semiannual progress report covers work performed during the pdf from October 13, to April 13, under NASA grant number NAG entitled "Development of mid-infrared solid state lasers for spaceborne lidar".During this period we have measured the laser performance of a Ho3+: Tm3+: Cr3+: YAG crystal under flashlamp pumping at various operating temperatures.PROCEEDINGS VOLUME Airborne and Spaceborne Lasers for Terrestrial Geophysical Sensing Mid-Infrared Solid-State Lasers And Laser Materials Author(s): Norman P Barnes; Charles E Byvik Prospects For Coherent Lidar Systems And Technology Development Author(s): Robert T Menzies.Laser ebook systems, laser induced breakdown spectroscope and the clinical applications of surgical solid-state lasers are also explored.

The use of solid-state lasers in defense programs is then reviewed, before the book concludes by presenting some environmental applications of solid-state lasers.