Half Auto Reflectometers for Thin Film Measurements

  • Product No:191 series
  • Manufacturer:Gamma Scientific
  • 1,000,000:1 contrast ratio measurements 

  • Measurements down to 0.00015 cd/m² 

  • Chromaticity measurements to 0.0015 uncertainty in CIE 1931 x,y 

  • 8 millisecond minimum measurement time 

  • Spectral ranges: 310‐930 nm, 350‐1100 nm, and 360‐800 nm 

  • 2 meter Premium Fiber‐Optic Cable 

  • Through‐lens viewing: 6 different measurement apertures (5°, 2°, 1°, 30', 20', 6') 

  • USB interface 

  • Windows‐based LightTouch control/analysis software 

  • NIST‐traceable and ISO17025 certified calibration


Model Number

GS-1290-NED-1

GS-1290-NED-2

GS-1290-NED-2UV

GS-1290-NED-3

Spectral   Range (nominal)

200800 nm
  (200
800 nm with
  quartz optics)

3501100 nm

2001100 nm

360800 nm

Wavelength   Resolution

0.6   nm/element

0.9   nm/element

0.9   nm/element

0.6   nm/element

Spectral   Bandwidth
  (built
in user   selectable
  Half Power Bandwidth)
  (HPBW)
  (Factory settings in bold)

10 nm
  5.0 nm
  2.5 nm
  1.8 nm
  1.2 nm

20 nm
  10 nm
  5.0 nm
  2.7 nm
  1.8 nm

20 nm
  10 nm
  5.0 nm
  2.7 nm
  1.8 nm

10 nm
  5.0 nm
  2.5 nm
  1.4 nm
  1.0 nm

Wavelength
  Repeatability

0.02 nm

0.03 nm

0.03 nm

0.02 nm

Wavelength   Accuracy

±0.20 nm

±0.20 nm

±0.20 nm

±0.20 nm

Stray Light

Less than 1 x   104 (at eight   times the HPBW from HeNe laser line)

Polarization   Error1

Less than 1%

Measurement   Angle

5°, 2°, 1°,   0.5°, 0.3° and 0.1° (userselectable)

Integration   Time

0.008 to 520   seconds

Computer   Interface

USB 2.0

Control   Software

Analysis in   CIE 1931 XYZ and xy; CIE 1976 UCS uv; CIE 1976 L*u*v* and L*a*b*;
  CIE 1964 XYZ

Operating
  Temp./Humidity

5° to 35° C/   relative humidity 0 to 90%, noncondensing

Size

12.1" L   x 6" W x 11.8" H (30.8 cm L x 15.1 cm W x 29.9 cm H)

Weight

20 lbs. (4.6   kg)

Power

AC Adaptor   (100240 V ~, 5060 Hz)