Tunable Lasers pptx

... nm. Keyworks: Microsphere, Whispering Gallery Modes, Lasers, Erbium Ytterbium co-doped phos- phate glass. 1. Introduction Rare earth-doped glass microspherical lasers are subject to numerous studies and ... signal VNU Journal of Science, Mathematics - Physics 24 (2008) 89-96 Wavelength shift in microsphere lasers Tran Thi Tam 1,∗ , Dang Quoc Trung 2 , Tran Anh Vu 2 , Le Huu Minh 2 , Do N...

Ngày tải lên: 05/03/2014, 14:20

... a variety of discretely tunable lasers including excimer, N,, HgBr, and Cu lasers. Wavelength information on line -tunable cw lasers such as Ar+ and the Kr+ lasers is included in Table ... organized into two groups of chapters categorized as dis- cretely tunable lasers and broadly tunable lasers. Discretely tunable lasers are considered first because that also...

Ngày tải lên: 17/03/2014, 14:28

... temperature charac- teristic ten-layer InAs broad area QD lasers, this paper reports the characteristics of ten-layer narrow ridge width (2 lm) InAs QD lasers. We will show results from devices with high ... quality in these devices. Ouyang et al. [15] has reported narrow RWG InAs QD lasers with ridge width of 8 lm, and observed that lasers with deep-mesa geometry exhibited superior cha...

Ngày tải lên: 22/06/2014, 18:20

... Lasers – Applications in Science and Industry 102 Fig. 7. A) Optical microscope image of the ... minor increase in the size of the object, all without changing the optical imaging parameters. Lasers – Applications in Science and Industry 96 1.2 Pulsed laser driven lithography and patterning ... ) w    (1) w - grating period λ - desorbing laser wave length Part 2 Laser-M...

Ngày tải lên: 18/06/2014, 22:20

... pit formation rate of the 1050 aluminum alloy is about twice that of the 2024 aluminum alloy. Lasers – Applications in Science and Industry 174 Fig. 1. Schematic representation of propagation ... function of the CSLM and X-ray Computed Tomography (X-ray CT; ELE SCAN mini, NS-ELEX Co. Ltd.). Lasers – Applications in Science and Industry 172 Zhigilei, L.V. & Garrison,...

Ngày tải lên: 18/06/2014, 22:20

... Lasers – Applications in Science and Industry 214 Verlinsky, Y., Ginsberg, N., Lifchez, A., ... with an assumption of the calculation of the ablation volume, as shown in Figs. 8 and Fig. 9. Lasers – Applications in Science and Industry 218 irradiation of a certain number of laser pulses. ... In the SS-OCT, the optical source is an extended-cavity semiconductor wavelength-swept...

Ngày tải lên: 18/06/2014, 22:20

... D. (1986). Characterization of the noise in continuosly operating modelocked lasers, Journal of Applied Physics B: Lasers and Optics, Vol. 39, No. 4, April 1986, pp. 201–217, ISSN 0946-2171. ... efficiency of an up-conversion detector can be estimated by the following formula: (9) Advances in Lasers and Electro Optics 318 Table 1. Performance of single photon detectors resp...

Ngày tải lên: 20/06/2014, 11:20

... with clock recovery Fig. 12. Eyes at 155 Mb/s with and without clock recovery. Advances in Lasers and Electro Optics 464 return-to-zero (PRBS NRZ) data was directly modulated onto downlink ... the EDP at the sampling time for the n-th received symbol with nominal mean n a . Advances in Lasers and Electro Optics 466 signal did not suffer from crosstalk penalty from to the...

Ngày tải lên: 20/06/2014, 11:20

... Advances in Lasers and Electro Optics 832 trial to evaluate the feasibility for its use in vitreoretinal surgery (Schastak et al., 2007). Limited precision and significant damage by lasers with ... an ultraviolet (UV) laser with a nanosecond pulse width, including ArF excimer lasers and higher-harmonic Nd:YAG lasers. The ablation threshold is reported to be in the range of betwee...

Ngày tải lên: 21/06/2014, 06:20

... unwrapping using laser diodes & lasers In the previous section, incoherent light sources (light emitting diodes) were used to reduce the speckle noise inherent in lasers. However, light emitting ... smaller size and cost, compared to those of lasers. They also have shorter coherence lengths, typically few centimeters, compared to coherence length of lasers. However, laser diodes...

Ngày tải lên: 21/06/2014, 06:20