SPECTROSCOPY

Monochromator & Spectrograph

MonoRa320i

MonoRa320i is a 320 mm, f/4.2 aperture, triple grating Monochromator and imaging spectrograph by two
aspheric mirrors featuring a multi-port optical system, It offers 0.09 nm resolution plus easy integration into
automated spectral data acquisition systems, named Monoworks.
MonoRa320i is ideal for Raman, Laser fluorescence, P/L, and emission spectroscopy.

Catalogue
Features
  • Focal length : 320mm
  • Interface : USB &RS232
  • Imaging grade monochromator
  • Double/Triple monochromator available (addictive and subtractive type)
  • Grating selection : Triple grating Turret
  • Motorized diverting mirror/slit
  • Stray light rejection : 1.0×10^-5
  • Variable slit
Key Applications
  • Spectroscopy
  • Phtoluminescence
  • Fluorescence
  • Raman scattering
  • Phosphorescence
  • Colorimetry
  • Spectroradiometry
  • Photometry
  • Laser characterization
  • Laser scattering
Key Specifications
Focal Length320nm
Aperture Ratio f/4.2
Optical Designcomputer optimized imaging Czerny-Turner type
Optical Path90° or 180° / 1 entrance, 1 exit
90° or 180° / 1 entrance, 2 exit
90° or 180° / 2 entrance, 2 exit
Scan RangeMechanical range 0~160nm with a 1200gr/nm
Operating Range185nm to FIR with available grating and detector
Resolution0.1nm
Dispersion2.4nm
Accuracy±0.2nm
Repeatability±0.04nm
Drive step size0.0025nm with stepper motor
Focal Plane size26mm wide X 10mm height
Detector coverage64nm
Standard slitWidth : 0~5nm, 10um via micrometer control
Height : 4~15mm, selectable
Grating mounttriple grating turret
Grating size68 X 68mm
DetectorUV, Vis : PDS-01 PMT, OPA 1024 PDA, Si / IR Detector : InGaAs, PBS, PBSE, MCT
SoftwareMonoscan, Monoworks, Optra 2, Maple
Sample ChamberMaple (PL Mapping sample chamber)
Ramboss (Raman system sample chamber)