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Solar LS - Model SHR-IR -Wide-Range Infrared Wavelength Meter
Apart from wavelength measuring the SHR-IR provides demonstration of analysed spectra with resolution of 4 000 (λ/Δλ, FWHM) which constitutes from 0.15nm for 600nm to 0.5nm for 1800nm. The SHR-IR also ensures on-line monitoring of the above values in the process of tuning the analysed wavelength.
The instrument does not contain any moving elements; powering and control are performed from a computer via the Full-Speed USB interface. Analysed 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 rigid, stable and accurate, 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.
The SHR-IR spectrometer is an ideal instrument for measuring absolute wavelength value of pulse and CW lasers and diodes in the spectral range from 600nm to 1800nm with accuracy better than ± 15pm, as well as detecting FWHM of the analyzed line.
- Spectral range from 600nm to 1800nm.
- Accuracy better than ± 15pm.
- Spectrum & FWHM analysis.
- Compact design; no moving components.
- Optical fiber input; diffuse attenuator.
- Ideal for measuring wavelength of pulsed and CW lasers.
- Operation mode : CW and pulsed light (externally triggered)
- Spectral range, nm : 600-1800
- Accuracy of wavelength detection, nm : ± 0.015
- Resolution (l/DlFWHM) : 4 000 (ΔλFWHM from 0.15nm for 600nm to 0.48nm for 1800nm)
- Source linewidth requirements, not more than : ≤125 cm-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
- Requirements to external trigger pulse (for pulsed lasers) :
- polarity : Positive
- amplitude, V : 3-15
- pulse duration FWHM, μs : 5-20
- rise time, μs : ~10
- connector : BNC-58
- Software : WLMeter
- Dimensions, mm : 142 x 110 x 80
- Weight, kg : 1.2