Automated Spectroradiometer Measurement System

Model:  OL – 750 and OL 770 NVS (Gooch&Housego/ USA)

Contact Person: Laura Mihai
Email: laura.mihai@inflpr.ro
Tel: +4021 457 4550/ ext. 2501

Location: CETAL – Room A-S04
Financing project: CETAL 8PM /I 26.11.2008


OL-750 Automated Spectroradiometrer
OL-770 NVS Night Vision Display Test&Measurement System

System Components and performances:

System with double monochromator:

  • Wavelength range: 0.20 – 30 µm
  • Wavelength accuracy : ± 0.05%
  • Wavelength precision : ± 0.01%
  • Dispersion :  2 nm/mm
  • Bandwidth: 0.25 to 10 nm
  • Chopper rate -programmable, 10 – 500 Hz

High sensitivity detectors:

  • UV-Enhanced Silicon: 0.2 to 1.1μm
  • TE Cooled Ge: 0.8 to 1.8  μm
  • TE Cooled PbS: 1.0 to 3.2  μm
  • LN2 Cooled InSb: 1.0 to 5.5  μm
  • LN2 Cooled HgCdTe (Extended Range): 1.0 to 21  μm
  • Pyroelectric: 1.0 to 30  μm

Calibration Standard Lamps (200nm - 30µm): Irradiance Standards, Radiance Sphere Sources, Blackbody Radiance Source

  • tungsten lamp
  • IR Glower lamp
  • deuterium lamp

OL 750

 

                                                                                   

OL – 770 NVS Night Vision Display System

  • Wavelength Range: 380 – 1100 nm (VIS/NIR)
  • Mounting Thread:1/4-20 tapped holes on underside of housing
  • Mounting: Tripod (not supplied), OL 622 XYZ Alignment Stage
  • Spectroradiometer Accuracy: < 1%, u’v’ < 0.0003
  • Wavelength Accuracy: < 1.0 nm
  • Half Bandwidth :10 nm
  • Stray Light (tungsten source): < 2.5E-4
  • Polarization Sensitivity: < 1%
  • Zero Drift (typical)< 0.01%
  • Linearity: In scale < 0.5%, between scales < 0.1%

 

 

 

 

Detector Quantum Efficiency System Configuration

 

Detector Spectral Response System Configuration

Source Spectral Analysis System Configuration

Diffuse Spectral Reflectance System Configuration

 

Specular Spectral Reflectance System Configuration

Aplications

Characterization of optical components in the framework of Evaluation of Components for Space Applications” – ECSA project, funded by Romanian Space Agency - ROSA.

Reflectance of vegetation for “Drought monitoring based on space and in-situ data – DROMOSIS” project financed by Space Technology and Advanced Research Programme - STAR, within the National Research, Development and Innovation Programme – PNCDI II

Other Applications:

 

  • Solar simulators
  • UV Phototherapy & photobiology 
  • Laser Spectrum Analyser
  • UV-IR Source Spectral Analysis
  • Single element photodiode responsivity
  • Detector/filter assembly response
  • CCD & focal plane array testing
  • FWHM measurements on hyperspectral cameras
  • Reflectance of materials
    • Camouflage clothing
    • Protective clothing
  • Reflectance of vegetation, rocks & minerals
  • Total & diffuse only reflectance
  • Thin film coatings
  • Plastics
  • IR reflective glass
  • Beam splitters
  • Hot/cold mirrors
The equipment is of interest for the Romania participation to the COST Actions:
References:

[1]  Sporea D., Mihai, L, Sporea A, Lixandru A, Brauer Krisch E.,  Investigation of UV optical fibers under synchrotron irradiation, Optics Express, vol. 22, Iss. 25, pp. 31473–31485 (2014) , DOI: 10.1364/OE.22.031473