Autocorrelation trace

Figure 8.1 (a) Block diagram of the femtosecond near-infrared laser microscope system, (b) Spectrum ofthe light pulse from the Cr F laser, (c) Interferometric autocorrelation trace of SHG signal with envelope curve calculated assuming a chirp-free Gaussian pulse with 35 fs fwhm. 

Figure 8.3 Interferometric autocorrelation traces of the fluorescence intensities of perylene (a) and anthracene (b) microcrystals irradiated by two NIR Cr F laser pulses centered at 1.26 Xm with the same intensity.

FIGURE 5.2 (a) Experimental (filled circles) wavelength tuning curve and accessible Raman freqnencies as a fnnction of the crystal temperatnre. The solid curves are a result of the calculations. (b) OPO output power versus pump power at the crystal facet (c) and (d) show the typical signal pulse spectrum and autocorrelation trace at the OPO cavity detuning of minus 36 (xm, respectively. 

Fourier Transform-limited 100 fs, 800 nm, 1015 W cm 2 laser pulse and (b) the optimum result obtained by means of an 80-parameter unrestricted optimisation (dashed line) and a restricted 3-parameter optimisation (full line). The inset in (b) shows the evolution of the fitness value for the 80 parameter optimisation (full squares maximum fitness, open squares average fitness), (c) Autocorrelation trace of the optimal pulse corresponding to the 80 parameters optimisation. The pulse shapes consists of two pulses of 120 fs of equal amplitude separated by 500 fs. 

Figure 13.5 Interferometric autocorrelation traces of uncompressed and compressed pulses. 1 (a) Uncompressed 80-fs pulses obtained directly from Ti sapphire laser (power spectrum is Shown in the inset), (b) Compressed pulses after 1000 iterations. Pulses were compressed to (Taken from Fig. 2, Ref. [42].)...

Fig. 10. a Block diagram of a laser excited time-resolved spectrofluorimeter (Ghiggino et 59-61). j, Background free autocorrelation trace of the light pulse profile from a Spectra-Physics synchronously pumped dye laser system... 

Fig. 11 a, b. Two-component fit (a), and resulting residuals (b) and autocorrelation trace (c) to synthesized triple exponential (six-parameter) decay curve (see text)... 

Figure 3.20. Autocorrelation traces of the excitation pulses in fluorescein water at PH = 13. Fluorescence intensity is normalized to the average background, (a, b) Both measured with wavelength spectrum FWHM AX = 14.5 nm but with different amounts of prechirp (c) AX = 7.8 nm. (From Ref. [366] with permission of the Optical Society of America.)...

Fig. 6.71 Interferometric autocorrelation trace of a 7.5 fs pulse with upper and lower envelopes [759]...

FIGURE 19 Autocorrelation traces taken during setup of the cavity-dumped laser of Fig. 16, showing changes in the pulses with cavity length adjustment. A three-plate birefringent filter and a 1-W 532-nm pump beam were used without an absorber jet for this data. (Courtesy of Coherent, Inc., Palo Alto, CA.)... 

Fig. 2.3. Autocorrelation trace (a) and wavelength spectrum (b) of the synchronously pumped dye laser. Assuming single exponential decay, At = 1.38 ps (FWHM) is estimated. A bandwidth Z P = 40cm is revealed from the spectrum...

Fig. 2.7. Autocorrelation trace (a) and spectrum at A = 800 nm (b) of the femtosecond titanium sapphire laser. Assuming a sech pulse shape, a pulse width At — 71 fs (FWHM) is measured. The spectrum reveals a bandwidth Ai = (1/A )Z A = 181 cm- With these data the pulse is 1.2 times band width-limited (see Table 2.2)...

Fig. 2.8. Interferometric autocorrelation trace of the femtosecond titanium sapphire laser (taken from [203]). The pulse width is 70 fs. The trace was recorded with a step width of 1 fs...

Fig. 2.23. Interferometric autocorrelation trace directly measured at the molecular beam. The 3PI signal of Ks is detected while exciting with 90 fs laser pulses at A = 800 nm. The inset nicely depicts the fast 2.67 fs oscillation (taken from [260])...

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