wavelength tunable laser diode
An experimental investigation of tunable laser diodes based on multiple etched slots
... Figure 1.1 a shows an idealised tunable laser diode where the optical power is dependent only on the laser current and the wavelength is dependent only on the tuning current, b shows the[r] ...
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A novel two section tunable discrete mode Fabry Perot laser exhibiting nanosecond wavelength switching
... length tunable laser based on a two section slotted FP ...ically tunable devices as they are based on a single epitaxial growth ...widely tunable lasers show distinct regions of high SMSR 30 ...
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Sampled grating DBR laser as a spectroscopic source in multigas detection at 1 52 1 57um
... Multigas detection has been achieved using a widely tunable SG-DBR laser diode as a light source using absorption spectroscopy.. The characteristics power, SMSR and wavelength tuning of [r] ...
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Experimental Study of Broadening Coefficients for the v3 Band of CO by Tunable Diode Laser Spectroscopy
... transmitted laser intensity is measured by an InGaAs PIN detector. The other laser beam passes through an ring interferometer(Model FFP-I 1580, Micron Optics) for the wavelength variation monitoring ...
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Nonresonant self-injection seeding of a gain-switched diode laser
... output wavelength may be spectrally step-tuned by varying the modulation frequency, though this tuning method had a disadvantage of the spectral jumps being a ...center wavelength versus glass slide ...
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Development of continuous wave and mode locked titanium sapphire laser
... Ti:sapphire laser is the most popular laser ...as tunable Optical Parametric Oscillators (OPO) pumping and simulating diode pumping in solid-state lasers (McKinnie et ...
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Tunable Multi Wavelength by Pulse Signal Modulation in Laser Pumping of EDFA
... multi wavelength are formed by the wavelength division multiplexed (WDM) with 980/1550 multiplexing for the coupling light pumping source into the EDFA and for using in the ...pumping laser and the ...
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Laboratory spectral calibration of the TanSat atmospheric carbon dioxide grating spectrometer
... the tunable diode laser used to determine detailed characterizations of single ILS functions was greater than ± 5 ...the laser and detector can be ...centroid wavelength response of ...
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Neodymium doped cladding pumped aluminosilicate fiber laser tunable in the 0 9 micron wavelength range
... experimental laser configuration we used is shown in ...nm diode sources in a double-sided end-pumping ...lenses. Diode pump source A (PUMA, New-Optics, 808 nm) provided 4 W of launched pump power ...
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TDLAS Detection of propane and butane gas over the near-infrared wavelength range from 1678nm to 1686nm
... Abstract. It is important in the petrochemical industry that there are high sensitivity, high accuracy, low-power consumption and intrinsically safe methods for the detection of propane, butane and their gas mixtures, to ...
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Tunable diode laser in-situ CH4 measurements aboard the CARIBIC passenger aircraft: instrument performance assessment
... operation wavelength of the FGGA (λ = 1651 nm), and mixing ratios in the atmosphere that can vary by three orders of magnitude between the ground (up to 30 000 ppm, 1 ppm = 1 µmol mol −1 ) and the lower strato- ...
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The comparison of dual wavelength fiber laser spectrum in SMF and HNLF by utilizing Laser Diode
... ring laser had been used to produce tunable dual wavelength (Antonio-Lopez et al ...of laser output due to the homogeneous gain broadening of erbium-doped fibers ...the laser outputs ...
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Development of nanoengineered thulium doped fiber laser with low threshold pump power and tunable operating wavelength
... of laser weapon systems could certainly find wider acceptance if the systems operate at eye-safer ...Pulsed laser systems may be used either for direct applications such as light detection and ranging ...
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Laser Diodeexcitationsystem Controlled By Software For Photothermal Applications
... own laser diode excitation ...of laser diode with 532nm of ...this diode laser is because we worked on previous investigations related with amplitude and frequency phase ...of ...
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Pdots, a new type of nanoparticle, bind to mTHPC via their lipid modified surface and exhibit very high FRET efficiency between the core and the sensitizer
... In this paper, we explored the spectroscopic, energy-transfer and structural properties of new nanoparticles, Pdots, as a tool in biophysical studies. Pdots have strong light absorption and we will show they also have a ...
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Time resolved infrared imaging and spectroscopy for engine diagnostics
... The data plotted in Figure 10 were examined to identify the wavelength at which IR signals are best correlated to combus- tion parameters. The top three curves show the correlations for spectral power measured at ...
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Harnessing speckle for a sub-femtometre resolved broadband wavemeter and laser stabilization
... to wavelength detection 16 , detector noise analysis 25 , to distinguish surface scattering processes 26 and is commonly used in the spectral band recognition of mixed colourants 27 , as well as in Raman analysis ...
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Mid Infrared Pulsed Laser Lithotripsy with a Tunable Laser Using Difference Frequency Generation
... several laser lithotriptors, including Ho:YAG (λ = ...YAG laser is an attractive alternative to other conven- tional laser lithotriptors because it offers high power pulses (~kW, up to several joules ...
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Fast wavelength-tunable ultra-violet laser source for confocal Fura-2AM imaging
... Nd:YLF laser (Biolight, Coherent) was used as the platform source to pump the photonic crystal ...emission wavelength of =1047 nm and a spectral FWHM of = 6nm, the horizontally-polarised Nd3+:YLF ...
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Wide-bandwidth mode-hop-free tuning of extended-cavity GaN diode lasers
... parent ( ⬃ 40 pm 兾 °C) as the overall mode pattern is shifting to the right. In Fig. 4(b) the corresponding plot for the 410 nm FP laser is shown. There are several distinct differences compared to the behavior of ...
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