Variable-Temperature Vacuum Ultraviolet Spectroscopic Measurement System
MVUV-01

 
Variable-Temperature Vacuum Ultraviolet Spectroscopic Measurement System MVUV-01
 
This system performs transmission spectroscopy in the vacuum ultraviolet region (130 nm to 260 nm) while varying the sample temperature from room temperature to 2000°C, or from 4.2 K to 500 K.
 

■Specifications

Measurement wavelength range 130 nm to 260 nm
200 nm to 400 nm (with optional photomultiplier tube)
Light source Deuterium lamp (30 W)
Measurement optics Double-beam optics
Spectrometer  
 Mount Seya-Namioka mount
 Radius of curvature 200 mm
 Diffraction grating Concave grating (holographic)
 Groove density 1200 grooves/mm
 Blaze wavelength 150 nm
 Reciprocal linear dispersion 4 nm/mm (at 155.5 nm)
 Slit Width: 0.005 mm to 2.5 mm (manually continuously variable)
Height: 4 mm (fixed)
Wavelength drive Stepping motor drive
 Scan speed 600, 300, 150, 60, 30, 15, 6, 3, 1.5 nm/mm
 Wavelength per pulse 0.01 nm/pulse
Vacuum high-temperature furnace  
 Maximum temperature 2,000°C
 Temperature range Room temperature to 2,000°C
 Atmosphere Vacuum, inert gas
 Ultimate vacuum On the order of 10-6 Torr
 Atmosphere pressure 0.07 kg/cm2
 Uniform heating zone size 10 mm (W) × 10 mm (D) × 10 mm (H)
Cryostat  
 Temperature range 4.2 K to 500 K
 Temperature stability ±0.1 K
 Sample space φ15 mm × 3 mm
Vacuum pumping system  
 Turbomolecular pumps 520 L/min × 1
160 L/min × 1
 Rotary pumps 800 L/min × 1
150 L/min × 1

*Specifications and appearance are subject to change without notice for improvement.