LCLS Lab (SLAC National Lab)
Key Equipment and Instrumentation
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Flint 1030nm Laser: ultrafast mode-locked laser critical for timing, pump-probe experiments, amplification, and nonlinear optics.
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Carbide Laser: 40W high-power ultrafast system used for electron beam accelerator physics and XFEL dynamics.
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Santec SLM 210: spatial light modulator.
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Dazzler: Acousto-optic pulse shaper (Fastlite) for real-time pulse shaping/compensation in ultrafast systems.
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Home-built IR Short Pulse SHG-FROG: Custom second-harmonic generation FROG setup for measuring ultrashort pulse duration/phase.
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Cross-Correlator
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Cross-Correlator 2
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Tangerines: 2x high-power ultrafast system from Amplitude Systemes
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GECO Autocorrelator: Commercial autocorrelator
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Spectrometer: UV covers 200–400nm range paired with Green Spectrometer (visible range, 400–700nm).
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Power Meters: Thermopile (Ophir) or photodiode-based (Thorlabs) for laser power/energy measurements.
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Photodiodes: Fast detectors (InGaAs/Si) for IR/visible light; brands include Thorlabs/Hamamatsu.
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Oscilloscope: High-speed (1GHz+, 10GS/s) for photodiode signal analysis
BELLS Lab (E6, UCLA)
Key Equipment and Instrumentation
Lasers, Optics, and Diagnostics
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20W Pharos Laser: Ytterbium-doped femtosecond laser system (Light Conversion Pharos)
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Harmonic Generator: Frequency doubling/tripling/quadrupling unit to convert 1um output to visible/UV wavelengths.
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OPA): Tunable wavelength source (Light Conversion Orpheus) for FIR-to-visible range.
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SLM (Spatial Light Modulator): Liquid crystal device for beam shaping/wavefront control
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Water cooling: Closed-loop chiller system for laser/equipment thermal management.
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Pump/Signal Delay Lines: Motorized stages for temporal overlap adjustment in pump-probe experiments.
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Telescopes: Beam expanders/reducers for size control (e.g., Keplerian/Galilean configurations).
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Hollow Core Fiber: (photonic crystal) hollow-core fiber for nonlinear spectral broadening or pulse compression.
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TG FROG (Transient Grating FROG): Custom setup for measuring ultrashort pulses via transient grating method.
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Spectrometer: Broadband analyzer (e.g., Ocean Insight HR4000) for spectral measurements.
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Noble Gases: used for plasma generation or as a buffer gas in experiments.
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Vacuum tubes: Custom vacuum components for specialized optical paths or diagnostics.
DC Gun and Components, Electronics, Diagnostics
Components
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Vacuum chamber and electron gun: Custom ultra-high vacuum (UHV) system for electron beam generation.
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2 x Turbomolecular pumps (Leybold TURBOVAC 90 i/iX): High-speed pumps for achieving UHV (<1e-9 mbar).
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2 x Ion pressure gauges (k.J Lesker 354): Measures vacuum levels in the 1e-3 to 1e-9 mbar range.
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Collimator Coil (DrX Works): Magnetic coil for electron beam collimation.
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Steering Coil (DrX Works): Adjusts electron beam trajectory.
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RF cavity (RadiaBeam): Accelerates electrons via RF fields.
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Focusing coil (DrX Works): Magnetic lens for beam focusing.
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3 x Gate valves: Manual UHV isolation valves.
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Cubic Modular Vacuum Chambers: Custom UHV-compatible chamber.
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Agilent E3632A: Triple-output DC power supply (0–25V, 0–1A).
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Keysight E3631A: Precision DC power supply (0–6V/0–5A, 0–±25V/0–1A).
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3 x Linear Motion Feedthroughs (2.75″ Flange, 2″ Travel): UHV-compatible manipulators for sample positioning.
Cameras
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Timepix3: Hybrid pixel detector for electron/particle imaging (time-resolved, high dynamic range).
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Basler AcA720-520um + Edmund Optics 33-303/12mm lens: Visible-range camera for beam profiling/alignment.
Controls Software
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LabVIEW 2024: Custom control interfaces for power supplies, pumps, and diagnostics.
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Leybold LEYASSIST 25.3.1: Turbopump control/monitoring software.
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Sophy program: Physics controls for Timepix3 data acquisition.
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SolidWorks 2024: Mechanical design/analysis for chamber components.
Computers
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Control computer: Runs LabVIEW, SolidWorks, and LEYASSIST (Windows OS).
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Linux computer: Dedicated to Timepix3 data acquisition/analysis.
QSENSE Lab (CNSI, UCLA)
Key Equipment and Instrumentation
Lasers and Optical Components, Diagnostics
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NKT Origami OneFive femtosecond lasers: 2x compact, high-performance femtosecond C-band mode-locked laser
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Pump laser diode drivers: precision current sources for driving laser diodes; critical for stable operation of fiber amplifiers.
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f-2f interferometers: used for carrier-envelope phase (CEP) stabilization in ultrafast lasers.
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Erbium-doped fiber amplifiers (EDFAs): optical signal power amplifier in fiber-based systems
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WaxWing Instruments FPGA phase-locked loops: High-speed digital PLLs for laser frequency stabilization or synchronization.
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SRS rubidium frequency standard: Ultra-precise clock reference (e.g., Stanford Research Systems FS725) for laser locking.
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Thorlabs 202C optical spectrum analyzer
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Electrical spectrum analyzer: Analyzes RF/electronic signals
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InGaAs photodiodes: Fast detectors for near-IR wavelengths
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Fujikura FSM-40PM fusion splicer: High-precision fiber splicer for low-loss connections.
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MesaPhotonics FROG: Frequency-resolved optical gating device for ultrashort pulse characterization.
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Femtochrome Autocorrelator: Commercial autocorrelator for measuring femtosecond pulse widths.
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DC power supplies: Standard laboratory power supplies (PSUs) for electronics and optics
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High-frequency locking servos: Feedback systems for laser stabilization (e.g., PID controllers).
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Fiber microscopes: Inspects fiber end faces for contamination/cleave quality.
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Fiber splitters, circulators, WDMs, isolators, and patch cables: Passive fiber components for signal routing/noise suppression.
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RF amplifiers: Boosts RF signals for driving modulators/acousto-optics.
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RF tunable bandpass filters: Selects specific frequency bands for noise reduction.
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Acousto-optics: beam deflection/intensity control and modulation
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Electro-optic modulators: High-speed modulators (e.g., LiNbO₃) for phase/amplitude control.
(Bio)chemistry and Aerosols, Sample Controls
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Wavelength Gas Cell: Sealed cell for gas-phase spectroscopy
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Home-made gas cell: Custom cell for specific pressure/wavelength experiments.
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Flow control gas mixer: Precision mass flow controllers for gas mixing
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Collision nebulizer: Generates aerosols for particle analysis or coating.
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Drierite™ gas-drying unit: Removes moisture from gas lines.
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WS-400BZ spin coater: Deposits thin, uniform films on substrates.
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Olympus microscope: Likely for sample inspection/alignment.
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Isotemp vacuum oven: For drying/baking samples under controlled pressure.
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Dragonlab hotplate stirrer: Combines heating and stirring for chemistry prep.
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Fisher Scientific MultiTube rotators: Mixes tubes/vials for consistent reactions.
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AWS analytical balance: High-precision weighing
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Glass cube for optical measurements: Custom holder for spectroscopy/light interaction studies.
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Micropipette: Precision liquid handling (e.g., Eppendorf).
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Branson Ultrasonic Cleaner: Cleans labware with high-frequency sound.
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Thermo Scientific FTIR: Fourier-transform infrared spectrometer for chemical analysis.
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Supercontinuum source: Broadband laser for spectroscopy/microscopy.