Research Facilities
Jasco V-670 UV-Vis/NIR Spectrophotometer
- Optical system: Single double-beam type monochromator, Czerny-Turner mount, equipped with two gratings (1200 grooves/mm for the UV/VIS region; 300 grooves/mm for the NIR region), automatically exchanged at 850 nm.
- Light sources: Deuterium and Halogen lamps
- Detectors: Photomultiplier tube and Peltier cooled PbS detector for UV-Vis and NIR regions, respectively.
- Wavelength range: 190 - 3200 nm
- Spectral bandwidth: 0.1 to 10 nm (UV-Vis region); 0.4 - 40 nm (NIR region)
- Scanning speed: 10 - 4000 nm/min
Accessories:
1. Jasco ILN-725, 150mm Integrating Sphere for diffuse reflectance and transmittance measurements
- Wavelength range 250 - 2500 nm
- Photomultiplier tube and PbS detectors
2. Jasco ARSN-733, Absolute reflectance measurement accessory
- Wavelength range: 250 - 2000 nm
- Bandwidth: minimum 5 nm for UV-Vis range and 20 nm for NIR range
- Angle of incidence: 0º – 60º for transmittance measurements and 5º – 60º for absolute reflectance measurements.
- Uses a 60 mm-dia. integrating sphere with Photomultiplier tube and PbS detectors