The laboratory is equipped with two confocal high-resolution Raman spectrometer systems to study fluid and solid samples (from single point analyses and line scans to two- and three-dimensional Raman imaging) at ambient pressure and temperature and over a wide range of P-T conditions.
HORIBA Jobin Yvon LabRAM HR800 UV-VIS
Olympus BX41 microscope
motorized XY microscope stage
CCD detector (1024 x 256 pixel)
excitation wavelengths:
- 325 nm (HeCd laser)
- 488 nm (Ar+ laser)
- 514.5 nm (Ar+ laser)
- 633 nm (HeNe Laser)
gratings 1800 l/mm or 2400 l/mm
edge filters for 488 nm and 514.5 nm
notch filters for 325 nm and 633 nm
polarizer
HORIBA Jobin Yvon LabRAM HR800 VIS
Olympus BXFM microscope with binocular and Koehler illumination motorized XYZ microscope stage, stepsize 0.1 µm in XY, 0.5 µm in Z) CCD detector (2048 x 512 pixel)
excitation wavelengths:
- 473 nm (diode-pumped solid-state laser)
- 532 nm (frequency doubled Nd:YAG laser)
gratings 1800 l/mm, 300 l/mm or 600 l/mm
edge filters for 473 nm and 532 nm
Available sample environments
- Linkam THMS 600 (-196 to 600 °C)
- Linkam TS1000 (ambient T to 1000 °C)
- Linkam TS1500 (ambient T to 1500 °C)
- 2 hydrothermal diamond-anvil cells (modified Bassett-type), with very low fluorescence diamonds (type Ia, or type IIa synthetic), for T and P to about 850 °C and to >3 GPa
various 20x, 40x, and 50x objectives with working distances ≥14.9 mm for measurements with heating/cooling stages or DACs