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Customizable MID-Infrared Sesam for Precision Laser Pulse Shaping1
Optical Lens InstrumentSesamOptical Conmponent
Crystrong Photonics Technology Co., Ltd.
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Product Description SESAMSESAM (Semiconductor Saturable Absorber Mirror ) mode-locked ultrafast pulsed lasers represent an important breakthrough in the development of mode-locked lasers, but a key challenge remains, that is, extending SESAM technology to the mid-infrared (MIR) region.We propose a design based on InAs/GaSb superlattice SESAM, which can achieve over 99% reflectivity, 10%~15% modulation depth, and 1.4ps-720ps flexibility in the wavelength range of 2800nm-5000nm. relaxation time and high saturation energy flow, it can achieve a stable phase mode locking function. This is the first time in the world to realize a 3-5μm ultrafast fiber laser. Its ultra-wide operating bandwidth and flexible parameter design can meet the requirements of different types of lasers in the 3-5μm band, such as fluoride fiber lasers, crystal lasers, and even 3-5μm spectral range semiconductor lasers, etc., and will greatly promote the development of mid-infrared ultrafast coherent sources and related application fields.ApplicationsKey mode-locking component for DPSS passive mode-locked laserStructureClass-II Superlattice with wide bandwidth covering 2~5μm No Lattice Mismatching, 10×LIDT than conventional models Superfast Relaxation Time (<1.4ps)Main Features:World's first 3-5 μm high-stability mid-infrared mode-locked laserHigher damage thresholdPerfect and fast after-sales serviceCompetitive product pricesSpecifications:Model typeSAM-2800-40-680ps-c/eSAM-3500-38-720ps-c/eSAM-3500-38-7ps-c/eSAM-3500-38-1.4ps-c/eCentral Wavelength2800nm3500nm3500nm3500nmAbsorptivity40%38%38%38%Modulation Depth15%11.5%14%11.5%Relaxation Time680ps720ps7ps1.4psSaturation Fluence70μJ/cm270μJ/cm250μJ/cm240μJ/cm2
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