Laser Induced Breakdown Spectroscopy Laboratory

Laser source – Minilite-IITM (Continuum Inc.)

  • Wavelength: 1064 nm
  • Maximum energy/pulse: 48 mJ
  • Pulse width: 7 ns
  • Repetition rate: 1-15 Hz

Sampling accessory – both in Mars environmental Chamber and under Earth ambient conditions

  • Excitation laser spot size: ~ 100 µm
  • Collecting optical fiber: UV enhanced bare optical fiber of 230 µm Ø
  • Collection parameters: 45° at ~10 mm distance
  • Viewing imager
  • GigETM video camera (Edmud Optics)
  • 10x Infinititube™ (Edmund Optics)
  • OFR 5x microscope Objective
  • Spatial resolution 1.05 um/pixel
  • Field of View: 1200 μm × 1100 μm

Spectrograph — Mechelle 5000TM (Andor Company)

  • Spectral range: 200 – 975 nm
  • Spectral resolution: FWHM of 0.04 nm at 200 nm or 0.1 nm at 500 nm
  • ICCD detector – Andor iStarTM

Sample preparations:

  • Powder sample — the be pressed in 1”Ø pellets
  • Rock sample — no sample preparation needed

Fee Schedule 

Contact: Prof. Alian Wang