In House Diagnostics

In house diagnostics on the Texas Petawatt may be made available to Users. Contact us for availability.

Optical/NIR

Sources:

• Probe line: 10 mJ 1057 nm or up to 3 mJ at 528 nm pulse duration 200 fs to 3 ps, chirped using in-air compressor.  It can be synchronized to TC1 or TC2.
• Quantel Brilliant laser (easily transportable): ~450 mJ @ 1064 nm, ~185 mJ @ 532 nm, 6 ns pulse duration, 4.5 mm diameter.
• CrystaLaser 1064-100 CW alignment laser: 1064 nm, 100 mW.
• Various HeNe and diode alignment lasers.

Diagnostics:

• Del Mar Photonics Rincon 3rd order Scanning Autocorrelator for contrast measurements down to 10^-10.
• SID4 GE wavefront sensor: 160x120 phase map resolution, sensitive to 400-1100 nm wavelength, phase resolution <2 nm. Deployable to either target chamber and compatible with closed loop system.  Includes R-4 cube unit to compensate for relay optics.
• Fourier domain interferometer: Self-referencing Michelson interferometer imaged to slit of high-resolution spectrometer. Designed for 1057 nm probe light.
• VISAR @ 532 nm wavelength.
• Confocal microscope for target positioning: target placement accuracy <4 µm with Mitutoyo 50X, infinite corrected, 13 mm working distance objective, with 532 nm diode laser.
• For TC1: Backscatter imaging of the target using the focusing parabola and a 10 m spherical mirror, and/or an 8 m focusing lens. Magnification ~13x.  Must be requested well in advance and coordinated with use of TC2 system.

Detectors:

• Hamamatsu C7700 High Dynamic Range Streak camera with S20 photocathode: 2048x2048 resolution, sensitive to 200-850 nm wavelength, temporal resolution of ~3ps, 1000:1 dynamic range.
• Stanford Computer Optics XXRapidFrame Framing camera with S25 photocathode: 780x580 resolution, sensitive to 400-900 nm wavelength, min exposure of 0.2 ns, 12-bit.
• Apogee Alta U8300 CCD: resolution: 8.3 MP, dynamic range: 5839:1, 16-bit, 99% linearity, cooled to ~-25C (SNR ~ 1500).
• Andor iDUS DU420-OE spectroscopy CCD: resolution: 1024x255 pixels 25 µm in size, sensitive to 200-1000 nm wavelength, 16-bit, cooled to ~-100C (x2).
• Andor iDUS DU490A-1.7 InGaAs spectroscopy CCD: resolution: 512 pixels 25x500 µm in size; sensitive to 0.6 to 1.7 µm wavelength, 16-bit, cooled to ~-90C.
• Horiba MicroHR Spectrometer (requires CCD): resolution: 0.1 nm with 10 µm entrance slit, 0.3 nm and with 26 µm pixel of Andor IDUS CCD, f/3.88, 1200 grooves/mm. Primarily used at 532 nm, 1200 nm blaze.
• Ocean Optics USB 4000HR Spectrometer: sensitive to 200-1000 nm wavelength.
• Ocean Optics HR2000 VIS spectrometer: sensitive to 330 - 900 nm wavelength.
• Basler Ace CCD: resolution: 1.3 MP, 12-bit, Gig-E.
• Imaging Source CCD: resolution: 0.4 MP, 8-bit, USB.
• IR viewers.
• IR cards.

Others:

• Questar QM1 long working distance microscope.
• Infinity K2 long working distance microscope.
• Scientech 200 mm power meter head Model 380801.

X-Ray/XUV

• Ludlum 44-2 Scintillation gamma ray detectors (5).
• Von Hamos PET spectrometer assembly for Ti Kα.
• Calibrated IRD-AXUV576C XUV photodiode for 30–70 nm.
• UT EHS can temporarily provide experiment specific radiation detectors.
• General Electric Typhoon FLA 7000 imaging plate scanner.

Calibration sources:

• Na-22: 3.62 nCi, Nov 2019 (through UT EH&S).
• AmBe: 1,000 mCi, June1971 (through UT EH&S).
• Eu-152: 1 microCi (through UT EH&S).
• Cs-137: 5.0 microCi 30.2 yrs, Aug 2005, 1.0” x 0.125” beta/gamma disk source, Spectrum Techniques.
• C-14: 20 microCi total, Nov 2013, 3"x1”x1mm glass microscope slide with 16 pieces: dpm/piece: 295k, 206k, 162k, 86.2k, 38k, 25.8k, 13.5k, 6.61k, 3.29k, 1.58k, 817, 390, 214, 95.7, 49.3, 25.8, American Radiolabeled Chemicals Inc., ARC 0146B.

Ion/Neutron detection

• Facilities available for NaOH etching of CR-39.
• Faraday cup for ion Time of Flight.
• Calibrated plastic scintillators for neutron detection, need calibration (x2).
• General Electric Typhoon FLA 7000 imaging plate scanner.

Electron/positron detection

• Image plate based e+/e- spectrometer. Energy range: 3-50 MeV, 60-150 MeV at lower resolution.

Electronics

Oscilloscopes:

• Tektronix TDS 5054 Four channel 1 GHz/ 5GS/sec.
• Tektronix TDS 684A Four Channel 1 GHz / 5GS/sec.
• Tektronix TDS 3034B Four channel 300 MHz.
• Tektronix TDS 2024 Four Channel 200 MHz.
• LeCroy Waverunner LT354 500MHz/ 1GS/sec DSO.
• Tektronix HV probe 010-0178-00.

High voltage power supplies:

• SRS PS310, +/- 12 V - 1.25 kV, 20 mA (x2).
• SRS PS350, +/- 100 V - 5 kV, 5mA (x1).
• Fluke 415B, +/- 0 - 3.1 kV (x2).
• Fug Elektronik HCN 7E, 0 - 35 kV, 200 µA (x2).

Others:

• Multimeters.
• Residual gas analyzer.
• Helium leak detector.
• Tesla meter.