Keywords: CW dye laser, single-frequency, linewidth, smooth frequency scan A single-frequency CW dye laser (SF-CW-DL) is a traditional source of a narrow-band smoothly wavelength-tuned radia-tion in the visible spectrum. The properties of passively and actively mode-locked dye lasers are described and compared. In order to perform ultrahigh resolution spectroscopy, a tunable laser with a narrow spectral width is required. An SF-CW-DL is widely used both directly as … This result is obtained from a rate equation model, taking into account the spectral homogeneity, but spatial inhomogeneity of the laser saturation. Central to the design is the elimination of spatial hole burning and the enhancement of mode competition through the use of a ring resonator and a very-low-loss Faraday-effect device to select a single traveling-wave direction. The effect of cooling the laser medium on the lasing characteristics of an organic cw dye laser, Rhodamine B in ethylene glycol, pumped by an Argon laser was examined. A large improvement in the frequency stability of a single-mode cw dye laser has been obtained 1 by using a wide-band (0–100 kHz) servo system to lock the dye laser frequency to a transmission fringe of a high-finesse optical cavity. Methods of measuring pulse duration and applications of these DYE-SF-07. Laser Type Wavelength CW or Pulsed Output Power Applications ArF, Krf, XeCl, Xef Gas (excimer) 193 nm, 248 nm, 308 nm, 353 nm ns 10 W: UV lithography, laser surgery, LASIK, laser annealing: Nitrogen Gas 337 nm ns 100 mW: Dye laser pumping, measuring air pollution: Dye Liquid 400-1000 nm CW-fs 1 W: Spectroscopy, laser medicine: GaN CW dye laser based on Rhodamine 6G. Y1 - 1975/6. CW single-frequency ring Dye lasers. These characteristics are realized in the present development of high power and single frequency stabilized ring dye laser system. N2 - We report on the operation of a rhodamine 6G cw dye laser involving a simple tuning mechanism capable of achieving high output powers (~500 mW) and resolving power (0.004 nm) close to the Doppler limit for a range of light gases. This is to orient the measurements of the HFS splitting with high resolution fluorescence spectroscopy. A nearly circular mode profile is achieved with an M2 better than 1.4. In this letter a frequency-doubled frequency-stabilized CW ring dye laser for the wavelength region 292-305 nm is described. Abstract. 1980 Sep;1(2):127-35. SPIE Vol. Online ISSN : 1349-6603 Print ISSN : 0387-0200 ISSN-L : 0387-0200 Studies on cw dye laser 715 In the above equations G, = aphV/ 2 is the maximum available gain expressed in terms of absorption cross-section of the dye at the pump wavelength a,, the total population density of the dye N, and length of the gain medium 1. The cw dye laser is a well-established tool of optical science. MARINER0 and M.J. COLLES Department of Physics, Heriot-Watt University, Edinburgh, Scotland, Received 1975 first use with an opto-acoustic cell is described. The dye laser is considered to be the first broadly tunable laser. In addition, there are usually one or several frequency-selective elements, for example a birefringent tuner or a diffraction grating in Littrow configuration, which permits wavelength tuning in a range of tens of nanometers. Cytometry. Source: In: Proc. With occasional adjustment the laser will neither drift nor jump off of the desired molecular line. Pulsed dye laser, Behandeling van vaatafwijkingen met Deze informatie is opgesteld door de afdeling(en) Huidziekten. The parameter to is the advance A procedure has been developed to tune the laser to the wavelength of any molecular absorption line in the 565-620 nm spectral region. Volume 14, number 2 OF’TICSCOMMUNICATIONS June 1975 zyxwvutsrq OPTO-ACOUSTIC SPECTROSCOPY WITH A VISIBLE CW DYE LASER A.M. ANGUS, E.E. BEDDARD Continuously working dye lasers have produced pulses as short as 0.3 ps. T1 - A grating tuned cw dye laser. A cw dye laser is described that provides tunable, high-power single-frequency radiation over the entire visible spectrum. Astigmatically compensated cavities for CW dye lasers Abstract: An analysis is given of folded 3-mirror laser resonators with an internal cell set at Brewster's angle. http://www.radiant-dyes.com/PDF/Accessories_for_cw_Dye_lasers.pdf An increase of absorption sensitivity by a factor of 10 5 , compared to a single-pass measurement, is observed in an experiment with an iodine vapor absorption cell inside the cavity of a CW dye laser. High-power solid-state cw dye laser. A tunable laser is a laser whose wavelength of operation can be altered in a controlled manner. A dual laser flow sorter has been constructed from an existing single laser system by incorporating a dye laser as the second laser source. Correlation measurements using second‐harmonic generation (SHG) have determined the pulses to be as short as 1.5 psec. Author(s) Hoek, A. van; Visser, A.J.W.G. Loading ... 1 megawatt TE N2 laser pump a Dye laser - Duration: 2:39. rocketman340 8,080 views. FLEMING, G.S. 1 Advantages and disadvantages of tunable CW dye lasers The most important advantage of dye lasers is their broad and continuous tun-ability within the visible spectrum. The pulses are transform limited and are wavelength tunable over the range 5900–6100 Å. A stable continuous output of picosecond pulses has been achieved. Arndt-Jovin DJ, Grimwade BG, Jovin TM. Frequency Stabilization of a CW Dye Laser Frequency Stabilization of a CW Dye Laser 1974-12-01 00:00:00 In order to perform ultrahigh resolution spectroscopy, a tunable laser with a narrow spectral width is required. Cw dye laser synchronously pumped by the third harmonic of a mode-locked cw Nd:YLF laser for tunable blue and green excitation and picosecond time-correlated photon counting detection. power combined with a 2 MHz linewidth and a 7 GHz scanwidth has been obtained by intracavity frequency doubling in an ADA crystal. DYE-SF-07 CW single-frequency ring Dye laser is the first representative of the new contemporary generation of dye lasers that offer to the user virtually the same level of convenience and simplicity of operation as with a solid-state tuneable laser. In the present paper we describe a high-power tunable solid-state dye laser setup that offers peak output power up to 800 mW around 575 nm with excellent long-time power stability and low noise level. An intense, frequency stable, multi-mode, standing wave cw dye laser of variable bandwidth (0.5 to 3 GHz) and large tuning range (>400 GHz) is described. Figure 1: Setup of a wavelength-tunable dye laser. This laser has a unique set of capabilities that include broad tunability, high power, and the potential for extremely high The resonator of 70 to 100 cm length is a symmetric Z-configuration with the dye jet in the center and with a Lyot-filter and one thin etalon as colour and bandwidth selecting and tuning elements. Pulsed dye laser treatment has shown specific vessel damage and thrombosis and good clinical bleaching of PWS at lower energy densities than continuous wave (CW) argon laser treatment. All other lasers, be they solid state or gas lasers, can only be tuned within a narrow band or emit only at discrete wavelengths. The laser resonator of a dye laser typically contains a dye jet or a dye cuvette (see below) as the laser gain medium. CW lasers are classified into five categories based on the active gain medium such as gas lasers, solid-state lasers, dye lasers, chemical lasers, and semiconductor lasers. 5) The cw-dye laser must be capable to lasing in a wide range (≈ 50 GHz) of single frequency scan. TY - JOUR. All these lasers can also emit light in a pulsed wave mode. Based on a pilot study with CW dye laser treatment of PWS, we wanted to investigate whether CW dye laser would be more beneficial in PWS treatment than argon laser treatment. A method is described to compensate the astigmatic distortions introduced by both the internal mirror and the cell. It was found that the pump power for a given system is limited to a critical value due to the influence of thermal inhomogeneities. Accessories for cw Dye lasers The following cw laser accessories should be used in order to achieve an absolutely steady and precise dye jet for Radiant, Coherent, Spectra Physics and for custom made laser systems. In overleg met uw behandelend arts heeft u besloten een afspraak te maken bij de afdeling Huidziekten van het LUMC. Experiments have been carried out on the injection-locking of a pulsed dye laser to an argon-laser-pumped CW dye laser of 50 MHz linewidth without longitudinal mode matching. spectra physics 375 cw dye laser pumped with a 5W argon ion laser rocketman340. The dependance of the output power of cw dye lasers on the pump power and the system-and stream parameters is calculated and experimentally tested. It plays the premier role as a source of tunable radiation in the visible and near-visible regions of the spectrum. CW laser using a solid polymer medium. AU - Marinero, E. E. AU - Angus, A. M. AU - Colles, M. J. PY - 1975/6. In this paper we describe a single-frequency jet stream cw dye laser that is carefully designed to minimize high frequency laser jitter. CW mode-locked dye lasers for ultra fast spectroscopic studies G.R. A dual laser flow sorter utilizing a CW pumped dye laser. Passive mode locking of a cw Rhodamine 6G laser is reported. Only in In this paper we describe a single-frequency jet stream cw dye laser that is carefully designed to minimize high frequency laser jitter. 500 μW U.V. In the present paper we describe a high-power tunable solid-state dye laser setup that offers peak output power up to 800 mW around 575 nm with excellent long-time power stability and low noise level. 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