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1.  THz Paper 10-01.PDF  (PAGE 4 OF 10) … This new pump laser technology replaces DC-discharge excitation of the CO2 laser with RF excitation (see Figure 5). The RF technology operates at significantly Figure 5: Schematic drawing of the RF excitation technique for modern OPTL pump lasers. lower voltages… Related Searches: rf excited co2 laser

2.  Coherent #4.QXD  (PAGE 1 OF 1) …System Aura satellite. The 2.5-THz Laser Local Oscillator will be used to map the presence of the hydroxyl radical (OH), which is partially responsible for the depletion of ozone in the atmosphere. In general, NASA has not fielded gas lasers in space missions. Eric Mueller…

3.    OpticallyPumpedLaserRev2 Best match in this PDF  |  All matches in this PDF …The advent of reliable compact CO2 laser technology and its widespread commercial application, combined with recent developments in similarly reliable compact THz laser technology, has heralded a new era in optically-pumped THz lasers. This new generation of laser technology is being used on a long-duration… Related Searches: methanol | sifir-50 | fir laser | sifir

4.    TerahertzSourceReachedSouthPoleRev2 Best match in this PDF  |  All matches in this PDF …Institute of Physics and IOP Publishing Ltd 2003 One of the few lasers to emit in the terahertz region is being used by astronomers working at the South Pole in Antarctica. Coherent's SIFIR-50 laser, which produces 50 mW in the 0.3-7 THz range, was originally developed for the US military. Now the optically… Related Searches: thz | sifir-50

5.  THz Paper 10-01.PDF  (PAGE 6 OF 10) …SIFIR-50 DSW OPTL. technology as found in the previous system but it has two non-folded HV THz laser cells. One of these has been optimized for operation in the 1-5 THz range and the other Short Wave Output Power vs Wavelength (using hole output coupler) 0.1 … Related Searches: sifir-50

6.  paper.PDF  (PAGE 6 OF 10) …order to understand the THz coupling to the SBG diode, a series of video Chopper OAP SBG Mount Scientech Pyro 287.7 µm 191.8 µm Figure 12: Diagram of the THz response experimental set-up. responsivity measurements vs THz laser frequency were performed…

7.    LOApplicationsRev2 Best match in this PDF  |  All matches in this PDF …low resolution, THz coverage, they have a number of drawbacks for measurement applications. The work described here represents an alternative that avoids many of these drawbacks. The work outlined in this paper marries the recent developments in highreliability, compact THz lasers,1, 2 with recent advances… Related Searches: sifir | sifir-50

8.    NASA-GoddardRev2 Best match in this PDF  |  All matches in this PDF …L. A. Newman, "2.5 THz Laser Local Oscillator for the EOS CHEM 1 Satellite," Proc. Ninth Int. Symp. Space THz Techno., 563 (1998) 2 C. R. Pidgeon, W. J. Firth, R. A. Wood, A. Vass, and B. W. Davis, "Two-Photon Light Shift and AutlerTownes Splitting in Optically-Pumped FIR Lasers," Int. J. IR MMW, 2… Related Searches: eric r mueller | eom | j3

9.    EOSChem1SatelliteRev2 Best match in this PDF  |  All matches in this PDF …Table of IF's for the 2.52 THz Channel. IF Constituent 8.4 GHz -OH 12.8 GHz -OH 20.4 GHz -O2 While many readers may have experience with moderate-to-low reliability optically-pumped FIR lasers, high-reliability FIR lasers may not be familiar. Starting with the pump laser technology: the LLO will utilize… Related Searches: mid ir laser | eric r mueller | rf amp

10.  THz Paper 10-01.PDF  (PAGE 9 OF 10) …design (see Figure 26), this approach can add 220 GHz of tuning about any given OPTL line (± 110 GHz).2121 Pump Laser DeckPump Laser Deck THz DeckTHz DeckCooling FinsCooling Fins Output PortOutput Port

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