Raman Optical Activity Spectrometer
Data sheet / Specification
Spectrometer
Excitation Wavelength
532 nm
The gold standard for ROA signal reliability
Laser power at sample
1 – 1200 mW
high stability for all laser powers
Spectral range
80 – 4500 cm-1; modifications possible upon request
Apart from standard spectral range, low-freq and high-freq modes and circularly polarized luminescence can be studied
Spectral resolution
~7 cm-1
Scattering geometry
Back-scattering
With specular beam analysis for damage control
Modulation scheme
SCP, ICP, DCPI, DCPII
Enabling artifact discrimination and robust
interpretation, distinguish CPL from ROA
Wavenumber calibration
Automatic, no customer
handling and calibration source
needed
Insert & measure ready system
Intensity calibration
Raman intensity calibration accessory
Instrument spectral transmission compensation. Enables direct comparison with
published catalogues and ab-initio simulations
in broad spectral ranges
Detectors
Detector Type
pectroscopic CCD, 1024 x 255 pixels
Detector Temperature
Down to -65 °C, stabilized
Quantum Efficiency
>85 % in spectral range 500-700 nm
Binning
Flexible and automatically adjustable to minimize readout
Gain
Adjustable
Translational motorized XYZ sample positioner
range 50 mm in each axis
Spectroscopic CCD, 1024 x 255 pixels
Horizontal positioning accuracy
1 μm
Vertical positioning accuracy
10 μm
Maximum load
0.3 kg
Multiple sample
automatic motorized positioning, 5 sample positions
System integration
full, sample positioning during measurement possible
Safety
This item allows full control of sample position while maintaining laser safety class 1.
Control System & Software
PC
Industrial type; integrated
OS
Windows 11 or Linux
Monitor and keyboard position
adjustable
External control
Remote desktop connection, various options
Backup
HDD hot swap technology, RAID 1
Instrument Layout
Single standalone unit
Industrial type; integrated
External dimensions W x D x H
880 x 1070 x 1800 mm
Weight
max. 620 kg
Environmental temperature
+20 °C to +25 °C
Temperature stabilization
Internal, ±1 °C
Support
4 stable legs with wheels for easy transport
Power supply backup
Fully integrated UPS with safety features
Safety
Class 1 laser device (advanced laser safety, laser interlocks, motorized XYZ sample positioner built-in)
Requirements
Power supply
220-240 V, 110 V available upon request
Input power
< 700 W
External UPS
Not required
Pressurized Air
> 6 bar, external compressor available upon request
Ethernet connection
Yes; for optional external control
Outside temperature stabilization
Within 3 °C
Clean room environment
Not required