Page
%P
-
Article
Lasing in femtosecond laser written optical waveguides
The paper reviews our research efforts in femtosecond laser inscription of optical waveguides inside active Er:Yb-doped glass substrates and in the development of compact waveguide lasers. By optimising the fa...
-
Chapter
Highly Efficient Second-Harmonic Nanosource by Femtosecond Pulse Irradiation of a Metal Tip
In the field of nano-optics there is a strong demand of confined radiation sources for local optical spectroscopy of single molecules or quantum structures, as well as for background-free Scanning Near-field O...
-
Chapter
Generation of 3.8-fs Pulses Through Adaptive Cascaded Hollow Fiber Compression
An important pre-requisite for a number of fundamental physics experiments, such as the generation of single attosecond pulses by high-order harmonic generation [1], and the investigation of absolute phase eff...
-
Article
Ultra-broadband continuum generation by hollow-fiber cascading
A novel spectral broadening technique, based on hollow-fiber cascading, is reported, which allows the generation of a supercontinuum extending to a bandwidth exceeding 510 THz with excellent spatial beam quali...
-
Book
-
Chapter
Interaction of Radiation with Atoms and Ions
Calculate the electric field amplitude and the energy density of a plane wave of intensity I=100 W m-2.
-
Chapter
Ray and Wave Propagation through optical media
Calculate the ABCD matrix for a ray entering a spherical dielectric interface from a medium of refractive index n1 to a medium of refractive index n2, with radius of curvature R (assume R > 0 if the center is to ...
-
Chapter
Pum** Processes
A Nd:YLF rod 5 mm in diameter, 6.5 cm long, with 1.3×l020 Nd atoms/cm3 is cw-pumped by two lamps in a close-coupled configuration. Energy separation between upper laser level and ground level approximately corres...
-
Chapter
Properties of Laser Beams
Consider a quasi-monochromatic wave with a mean frequency <ω>. Show that the complex degree of coherence γ(1)(τ) can be written in the form γ(1)(τ)=|γ(1)(τ)| exp[j(<ω>τ-ψ(τ)], where |γ(1)(τ)| and ψ(τ) are slowly-...
-
Chapter
Introductory Concepts
The part of the em spectrum of interest in the laser field starts from the submillimeter wave region and decreases in wavelength to the x-ray region. This covers the following regions in succession: far infrar...
-
Chapter
Energy levels, Radiative, and Nonradiative Transitions in Molecules and Semiconductors
Show that the vibrational frequency of a diatomic molecule consisting of two atoms of masses M 1 , and M 2 is ν = (l / 2π) (k0 / M r
-
Chapter
Passive Optical Resonators
Consider a resonator made of two concave mirrors (R1 > 0, R2 >0) spaced by a distance L. Find the values of L for which the resonator is stable.
-
Chapter
Solid-State, Dye, and Semiconductor Lasers
A Ti: Al2O3 laser is longitudinally pumped by the focused beam of an Ar+ laser at the pump wavelength λ p = 514 nm. A wavelength tuner is inserted in the cavity, forcing the laser to os...
-
Chapter
Gas, Chemical, Free-Electron, and X-Ray Lasers
List at least four lasers, using a low-density active medium, whose wavelengths fall in the infrared.
-
Chapter
Laser Beam Transformation: Propagation, Amplification, Frequency Conversion, Pulse Compression, and Pulse Expansion
The multimode beam of a Nd:YAG laser (λ≅1.06/μm) with an output power of 5 W is sent to a target at a distance of 10 m from the beam waist. Assuming that the near-field transverse intensity profile is, to a good ...
-
Chapter
Transient Laser Behavior
Calculate the relaxation oscillation frequency of a Nd:YAG laser when it is operated twice above threshold assuming a cavity length L=20 cm, a Nd:YAG rod of length l=0.8 cm, a refractive index of YAG n=1.82, an u...
-
Chapter
Continuous Wave Laser Behavior
Calculate the logarithmic loss per-pass γ of a Fabry-Perot laser cavity, with negligible internal loss, made of two mirrors with transmission T1=80% and T2=5%.
-
Article
Ultra-fast spectroscopy and extreme nonlinear optics by few-optical-cycle laser pulses
Many fundamental processes of radiation–matter interaction, which take place on the ultra-short time scale, can now be directly investigated by using few-optical-cycles light pulses with duration <10 fs. We di...
-
Article
Spectral analysis of high-order harmonics generated by 30-fs and sub-10-fs laser pulses
The spectral properties of harmonic radiation generated in neon by laser pulses with duration from 30 fs down to 5 fs have been investigated. In the 30-fs temporal regime we have achieved continuously tunable ...
-
Article
Amplitude noise suppression in high-repetition-rate pulse train generation from a frequency-modulated Er-Yb laser
A detailed experimental analysis of the amplitude noise in high-repetition-rate picosecond pulse trains generated by spectral filtering of a frequency-modulated Er-Yb:glass laser is reported. Two distinct sour...
