| Local Contact |
Hans ENGELKAMP |
| Field range |
0 ... 33 T |
| Spectral range |
Excitation
Different types of lamps: Halogen, Xenon, Deuterium
Different types of lasers (wavelength in nm):
HeNe: 632.8, 543.5
Ti:Sapphire: 700 – 1070
Solid State: 375, 405, 485, 488, 515, 532, 640, 685, 730.
Dye laser: 540-655
Detection
Ocean Optics Spetrometer: 350nm – 1000 nm
Si photodiode: 375 – 1000 nm
|
| Temperature range |
278 ... 363 K
Stabilized to 0.1 K
|
| Sample size |
Optical cuvettes with thickness 0.01-1 cm |
| Sensitivity |
Polarized UV/VIS spectroscopy: Absorbance (A) 0.01-2.0
Linear birefringence: Δn=10-8;
Linear dichroism: ΔA=0.001
|
| Typical experiment |
Polarized UV/VIS spectroscopy;
Linear birefringence;
Linear dichroism
Circular dichroism and birefringence on request
|
| Sample Holder |
Optical cuvettes with thickness 0.01 – 1 cm |
| Sample environment |
Solutions |
| Examples |
Linear birefringence &dichroism (sample: gold nanorods), PRL 111, 127202 (2013)
Polarized UV/VIS (sample: cyanine dyes), J. Phys. Chem. B 108, 16386-16391 (2004) |
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