(1) In femtochemistry, we describe the application of femtosecond lasers to studies of chemical reaction processes, isomerization, breaking and forming of the bond, and the dynamics of transition states.

(2) Femtosecond laser processing is an emerging field and has important application prospects.

(3) Picosecond and femtosecond laser induced darking in some optical glass were studied.

(4) The development of femtosecond laser introduced a brand - new field in the research of glass.

(5) Femtosecond laser direct writing in transparent materials and the two-photon photopolymerization technology are used to fabricate the phase-gratings and Dammann grating.

(6) High power femtosecond laser is one of the hotspot for the manufacture of ultral - short laser.

(7) Calculation and evaluation of dispersions in a femtosecond pulse amplification system.

(8) Femtosecond soliton effect compression is investigated to obtain pulses from passively mode - locked fiber lasers.

(9) To describe femtosecond laser ablation on metal surface, the double - temperature equation ( DTE ) was formatted simply.

(10) This article discusses the femto-chemistry, because it involves femtosecond laser pulses, and its research or monitor into chemical processes of transition state and intermediate.

(11) The main mechanisms of femtosecond laser inscription LPFG are discussed.

(12) First, chirped femtosecond soliton-like solution in explicit form is obtained by using ansatz method, and then the linear stability for the soliton-like solution is analyzed by variational method.

(13) The coupled equations of four-wave mixing by femtosecond pulses in gas-filled capillary are derived.

(14) The transmission properties of femtosecond optical pulse are analyzed with the momentum method.

(15) The influence of electronic thermal conductivity on properties of the femtosecond laser ablation of gold was studied.

(16) This article describes the physical mechanisms and technology supporting a femtosecond laser keratome and also presents preliminary performance data in ex vivo and human clinical testing.

(17) Photophysical processes of the chlorophyll derivative photosensitizer CPD3 were investigated under two-photon excitation(TPE) induced by a femtosecond pulse laser.

(18) We measured the optical trapping capability and Q-values of the femtosecond laser tweezers in comparison with CW laser tweezers.

(19) Various analytical physical models are presented to extract the photodissociation dynamics information from the data obtained in the femtosecond pump probe experiment.

(20) The results also show unequal amplitude method can reduce the interaction between femtosecond soliton in the presence of optical source chirp in a certain degree.

(21) A simulation of domain inversion is modeled by considering the temporal distribution of femtosecond pulses.

(22) Does the nearsighted 300 degree energy of eye perform femtosecond of laser operation?

(23) It is shown that a dynamic equilibrium between optical self-focusing and plasma defocusing will be broken due to the MPA, which can induce instability of femtosecond filamentation.

(24) Then, based on the fundamental equation, we present the chirped femtosecond soliton-like solution by ansatz method and discuss the transmission property of the soliton-like solution in optical fiber.

(25) The system can steadily achieve the relative phase difference dynamic control of the femtosecond laser pulse pair almost without limitation of range.

(26) This paper describes a microcomputer controlled autocorrelator and datum acquisition processing system for the measurements of picosecond and femtosecond pulses and dyna-mic processes.

(27) The camera is equipped with a laser that emits extremely short bursts of light every femtosecond -- one-quadrillionth of a second.

(28) With the incidence power gradually increasing, the beam will undergo optical collapse due to intense focusing, and then the formation of femtosecond multiple filamentation(MF) can be obtained.

(29) In this work , the ultrafast dynamics in semiconductor was studied using femtosecond laser technique.

(30) A rapid-scanning autocorrelator introducing a periodic linear time delay to a train of picosecond and femtosecond laser pulses is described.

(31) At the same time, the mechanism of refractive index modification, which induced by femtosecond pulse, is discussed too.

(32) Femtosecond spectral holography is a very important technique of femtosecond pulse shaping, which permits storage, recalling and processing of femtosecond pulse signals.

(33) We introduce the principle of THz wave shaping and research development here. The waveform control of THz radiation can be fulfilled via the femtosecond laser pulse shaping.

(34) This paper introduces the development of CPA system and describes the structure and function of our table femtosecond terawatt CPA system.

(35) During this project, a compact, high repetition rate, portable, high power, fiber-based, femtosecond Cr:forsterite laser will be developed with wavelength around the optical penetration window.

(36) The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction.

(37) However, more compact, all - solid - state, cost - effective and stable femtosecond oscillators and amplifiers are desired in those applications.

(38) The supercontinuum source was obtained from pumping the microstructure fiber by - lens mode - locked femtosecond Ti: sapphire laser.

(39) However, some problems related to the application of femtosecond laser - fabrication technology need to be solved.

(40) And chalcogenide allows for "femtosecond response time" (now that's fast).

(41) The mechanism of filamentation formed by femtosecond pulse laser beam propagating in atmosphere is investigated.