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Portable Raman Spectrometers
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LHU-405, produced by Glit, employs a 405nm laser diode as an excitation light source and a fiber spectrometer as Raman spectrum detection module. A unique optical design and a wonderful approach eliminating stray light enable Raman probe, connected to 405 laser diode source and the spectrum detection module respectively through two fibers, to obtain the materials’ Raman signal with both high coupling efficiency and high signal to noise ration. A computer that controls LHU-405 is mounted on top of the portable casing. Software of LHU-405 developed by Glit carries out functions of the laser control, Raman spectrum detection, database management and material analysis etc., which greatly help users to conveniently fulfill Raman spectrum analysis. LHU-405 is a wonderful portable Raman spectrometer featuring without direct contact to materials, compact structure, easy operation, multiple applications and good performance etc.
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●405nm excitation laser, high end light detector, grating spectroscopy.
●Optical probe emits laser with a high output coupling efficiency.
●Non-contact Raman spectral measurement and analysis.
●Software has the functions of laser control, Raman spectroscopy, database management, background substance and log (recording of experiment’s content ) etc.
●Mass production for industrial applications with excellent thermal stability and vibration resistance.
●Easy to carry and use.
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Items Specifications Remarks Excitation Wavelength 785nm Laser Power of Raman probe High, medium, low Working Distance of Raman Probe ~4.5nm / 7.5nm Grating 2400 line/nm Raman Spectrum 200-5500cm-1 Spectral Resolution ~10.24cm-1 Stray Light 0.29% @435.83nm Pixel Number 2048 Pixel Size 14μmx200μm SNR ~600:1（Hg） Cooled light detector Dark Noise 7.55（RMS） Integration Time 1ms-15min Depends on the detector used Power Supply DC12V/5A Power Consumption Max 70mW Probe Fiber 1M armed Dimensions 428mmx350mmx153mm
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●Security: poisons, dangerous goods, illicit drugs, biochemical analysis
●Civil life: food, drug identification
●Identification of jewelry/heritage: jewelry identification, artifacts or nature, place of origin and age
●Medical applications: DNA, human metabolites (blood, urine etc.) and cancer cells identification
●Geology: field prospecting, mineral composition qualitative analysis and inclusion studies
●R & D in science and technology
●Customization
