SHR- IR Wavelength Meter in the near IR range



The SHR-IR spectrometer is an ideal instrument for measuring absolute wavelength value of pulse and CW lasers and diodes in the spectral range 600nm-1800nm. The SHR-NIR allows detecting FWHM of the spectral line with resolution of 4 000 (λ/Δλ, FWHM) which constitutes 0.15nm for 600nm to 0.5nm for 1800nm. The SHR-NIR also ensures on-line monitoring of the above values in the process of tuning the analyzed wavelength.



Optical parametric oscillator (ОРО). Idle wave. Real-time measurements at tuning laser wavelength.

The instrument does not contain any moving elements; powering and control are performed from a computer via the Full-Speed USB interface. Analyzed light is steered to the entrance slit either via a multimode optical fiber with a diffuse attenuator (included in the delivery set) or directly, without any fibers.

In respect of resolution and wavelength measuring precision the SHR-NIR is an alternative to a monochromator-spectrograph with focal length not less than 500mm, equipped with an appropriate IR-detector.

But unlike the monochromator, the SHR-NIR has no moving elements and provides real-time measurements without scanning. The SHR-IR is solid, stable and precise, ensures absolute reliability and has more reasonable price.

The SHR-NIR spectrometer is indispensable in the process of adjustment, alignment and testing of laser systems operating in the near IR spectrum range.

 

Operation mode

CW and pulsed light (externally triggered)

Spectral range

600 - 1800 nm

Accuracy of wavelength detection

± 0.02 nm

Resolution (λ/ΔλFWHM)

4 000
(ΔλFWHM from 0.15nm for 600nm to 0.48nm for 1800nm)

Source linewidth requirements, not more than

 £125 см-1
(from 4nm for 600nm to 40nm for 1800nm)

Optical interface
  • Quartz optical fiber dia. 400mm, 1m length, SMA-905 connector
  • Diffuse attenuator FA-3 with SMA-905 connector
Computer interface

Full Speed USB interface

Software

WLMeter

Dimensions and weight

1,2 kg, 142*110*80 mm




















Laser diode spectrum 1725-1750nm acquired with the SHR-IR


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