product

QEPRO scientific grade spectrometer

/ Spectrometers

The scientific grade spectrometer

The QEPRO is the most sensitive spectrometer ocean optics has ever developed. This scientific grade spectrometer is especially well suited for low light level and demanding applications, such as Raman spectroscopy and fluorescence.

  • Back-thinned 2d ffT-ccd detector
  • Thermoelectric cooling
  • High-speed electronics
  • Onboard programmable micro-controller
  • 10 user-programmable digital inputs/outputs
Share on :Share on FacebookShare on LinkedInShare on Google+
Detector
Type Back-thinned 2d ccd detector
Detector range 200 – 1100 nm
Active pixels 1024 x 58
Pixel size 24.6 μm2
Pixel well depth 1000 Ke-
Peak QE 90%
QE @ 250 nm  65%
Sensitivity ~ 0.065 counts / e-
Spectroscopic
Wavelength range max. 825 nm
Optical resolution ~ 0.14 – 7.7 nm (fWhm)
Signal-to-noise ratio 1000 : 1
Dark noise 3 rms counts
Dynamic range 25000 : 1
Integration time 8 ms – 15 minutes
Optical Bench
Design f/4, symmetrical crossed czerny-Turner
Focal length 101.6 mm input and output
Entrance aperture 5, 10, 25, 50, 100 or 200 μm
Grating options 14 different grating options, UV through shortwave nir
Fibre optic connector SMA 905 to 0.22 numerical aperture single-strand optical fibre
Physical
Dimensions 182 x 110 x 47 mm
Weight 1.18 kg (without power supply)
Electronics
Power consumption  500 mA @ 5 VDC no TE cool; 3.5 A @ 5 VDC with TE cool
Data transfer speed  Full spectrum every 7 ms with USB2.0
Inputs/Outputs  10 onboard digital user-programmable GPIOs
Temperature & Thermoelectric (TE) COOLING
Temperature limits  0°C to 50°C for spectrometer, no condensation
Temperature range  13°C maximum range between the high and low
Lowest set point  40°C below ambient, to -15°C
Stability  ±0.1 o C of set temperature in ≤ 2 minutes
Computer
Operating systems  Windows, mac os, Linux
Computer interfaces  USB 2.0 @ 480 mbps; rs-232 (2-wire) @ 115.2 K baud
Peripheral interfaces  SPI (3-wire); i2c integrated circuit
Share on :Share on FacebookShare on LinkedInShare on Google+
  • Medical diagnosis
  • Material identification
  • Polymerisation monitoring
  • Thin-film reflectivity
  • Corrosion studies
  • Bio analysis
  • Astronomy research
Share on :Share on FacebookShare on LinkedInShare on Google+
  • 90% quantum efficiency
  • Very high UV response
  • Fast analysis
  • Excellent signal-to-noise ratio
  • Great system sensitivity
  • Low noise and low dark signal
  • Long integration times
  • Virtually no spectral distortion
  • User-friendly
Share on :Share on FacebookShare on LinkedInShare on Google+
All products