Chapter 2 Femtosecond Laser Pulses - diss.fu
... because focusing the beam increases the focal ”power” of this ”lens”. The increase of the focusing stops when the diameter of the beam is small enough and the linear diffraction is large enough to balance the Kerr effect. Consider now a seed beam with a Gaussian profile propagating through a nonline ...
... because focusing the beam increases the focal ”power” of this ”lens”. The increase of the focusing stops when the diameter of the beam is small enough and the linear diffraction is large enough to balance the Kerr effect. Consider now a seed beam with a Gaussian profile propagating through a nonline ...
Get
... cavity mirrors, a very long effective optical path length could be reached with an enhancement factor of 2 × finesse/π, even though the cavity length is rather short. Another attractive property is its simplicity since few instruments can construct a CRDS setup and the lock of laser frequency to cav ...
... cavity mirrors, a very long effective optical path length could be reached with an enhancement factor of 2 × finesse/π, even though the cavity length is rather short. Another attractive property is its simplicity since few instruments can construct a CRDS setup and the lock of laser frequency to cav ...
LIGO-T0900043-11 - DCC - LIGO Document Control Center Portal
... Note that we have used the HR side of the BS for designing the PRC while for the SRC, the beam passing through the BS AR side is chosen. Thus for the straight cavity, PRC is designed for the Yarm while SRC is designed for the X-arm. For the folded cavity, PRC is designed for the X-arm while SRC is d ...
... Note that we have used the HR side of the BS for designing the PRC while for the SRC, the beam passing through the BS AR side is chosen. Thus for the straight cavity, PRC is designed for the Yarm while SRC is designed for the X-arm. For the folded cavity, PRC is designed for the X-arm while SRC is d ...
Max-Born-Institut
... found the salamander dead. His father did not scold him but rather used the event to illustrate the meaning of life and death. Max wrote later: “From that moment I suddenly knew what it meant to make another creature suffer and die.” Moral responsibility so imbued, together with the high ethical sta ...
... found the salamander dead. His father did not scold him but rather used the event to illustrate the meaning of life and death. Max wrote later: “From that moment I suddenly knew what it meant to make another creature suffer and die.” Moral responsibility so imbued, together with the high ethical sta ...
The List of Author`s Publications
... [15], d) thermally driven mirrors [16; 17], e) static compensators [18]. However, none of the mentioned methods is considered as “standard” approach for thermal effect mitigation. Thermal effects have to be treated individually during design of every high average power and/or high output beam qualit ...
... [15], d) thermally driven mirrors [16; 17], e) static compensators [18]. However, none of the mentioned methods is considered as “standard” approach for thermal effect mitigation. Thermal effects have to be treated individually during design of every high average power and/or high output beam qualit ...
Phase retrieval in X-ray phase-contrast imaging suitable for
... different distances from the source [17]. (The same effect can also be achieved by using different amounts of defocus in, e.g., phase-contrast microscopy [19], or by taking images at different wavelengths.) This relates to the uniqueness of the retrieved phase. If only one image is captured, at a ce ...
... different distances from the source [17]. (The same effect can also be achieved by using different amounts of defocus in, e.g., phase-contrast microscopy [19], or by taking images at different wavelengths.) This relates to the uniqueness of the retrieved phase. If only one image is captured, at a ce ...
Simultaneous spatial and temporal focusing: A route towards
... *[email protected]; phone +49 3641 – 9 47 821; fax +49 3641 – 9 47 802; www.iap.uni-jena.de ...
... *[email protected]; phone +49 3641 – 9 47 821; fax +49 3641 – 9 47 802; www.iap.uni-jena.de ...
Distortion free pulse delay system using a pair of
... In recent years, there have been major breakthroughs in achieving slow-light, which results from a very steep positive dispersion, in a number of materials. Initially, electromagnetically induced transparency (EIT) was used in atomic gases [1] and solid-state material [2] for this purpose. EIT has a ...
... In recent years, there have been major breakthroughs in achieving slow-light, which results from a very steep positive dispersion, in a number of materials. Initially, electromagnetically induced transparency (EIT) was used in atomic gases [1] and solid-state material [2] for this purpose. EIT has a ...
Fast Modulation of Terahertz Quantum Cascade
... incorporating high electron mobility transistors in a metamaterial device30 with a modulation cutoff frequency of about 10 MHz. Lately, an increasing number of experiments have been focused on the realization of graphene-based terahertz modulators because of its remarkable properties, such as the wid ...
... incorporating high electron mobility transistors in a metamaterial device30 with a modulation cutoff frequency of about 10 MHz. Lately, an increasing number of experiments have been focused on the realization of graphene-based terahertz modulators because of its remarkable properties, such as the wid ...
Geometrical-optics code for computing the optical
... spherical particles and is the wavelength of the incident radiation. Numerous complex terms are needed to obtain converged solutions for large values of x.21 For this reason, available Mie codes can be used for x ⬍ 20,000. For large values of x, the best method is the ray-optics approximation.10,2 ...
... spherical particles and is the wavelength of the incident radiation. Numerous complex terms are needed to obtain converged solutions for large values of x.21 For this reason, available Mie codes can be used for x ⬍ 20,000. For large values of x, the best method is the ray-optics approximation.10,2 ...
Photoinduced Deformation of Crosslinked LiquidCrystalline Polymer
... fabrication. Of many methods, the preferred modification technique is mechanical rubbing. Typically, an aligned polyimide (PI) layer with parallel grooves is firstly generated by mechanical rubbing along one direction, and the grooves are then used to orient the LC molecules.[12] However, there rema ...
... fabrication. Of many methods, the preferred modification technique is mechanical rubbing. Typically, an aligned polyimide (PI) layer with parallel grooves is firstly generated by mechanical rubbing along one direction, and the grooves are then used to orient the LC molecules.[12] However, there rema ...
Get PDF - OSA Publishing
... interaction of the light and material unavoidably results in refractive index changes that are confined to the laser beam focus volume. This local confinement of the index change can be a drawback, as a small lateral shift of the focal point can displace the inscribed grating from the fiber axis, re ...
... interaction of the light and material unavoidably results in refractive index changes that are confined to the laser beam focus volume. This local confinement of the index change can be a drawback, as a small lateral shift of the focal point can displace the inscribed grating from the fiber axis, re ...
Soliton collision and Raman gain regimes in continuous
... the same output power at the Raman Stokes wavelength (downshifted from the pump by 13.2 THz) as Raman amplification of spontaneous emission along the fiber length [22]. However, as we show in Fig. 1(right) this approach suffers mainly from two drawbacks: (1) There is no inherent spectral linewidth, ...
... the same output power at the Raman Stokes wavelength (downshifted from the pump by 13.2 THz) as Raman amplification of spontaneous emission along the fiber length [22]. However, as we show in Fig. 1(right) this approach suffers mainly from two drawbacks: (1) There is no inherent spectral linewidth, ...
Light propagation in dry and wet softwood
... mineral solution from the roots to the crown; iii) to store nutritious material. At a microscopic level, four basic cell types constitute the wood: parenchyma, tracheids, fibres and vessels (or pores). In particular, according to cellular structure, wood types are usually classified into two main cl ...
... mineral solution from the roots to the crown; iii) to store nutritious material. At a microscopic level, four basic cell types constitute the wood: parenchyma, tracheids, fibres and vessels (or pores). In particular, according to cellular structure, wood types are usually classified into two main cl ...
Simulation of Fiber Fuse Phenomenon in Single
... optical-fiber amplifier, large amount of data can be exchanged at a rate of over 60 Tbit/s [1]. In connection with this achievement, the danger of the “fiber fuse phenomenon" occurring has been pointed out. This occurs when high-power (W order) optical signals are transmitted in an optical-fiber cab ...
... optical-fiber amplifier, large amount of data can be exchanged at a rate of over 60 Tbit/s [1]. In connection with this achievement, the danger of the “fiber fuse phenomenon" occurring has been pointed out. This occurs when high-power (W order) optical signals are transmitted in an optical-fiber cab ...
A-141
... regular reflection. A corner cube takes advantage of this principle by arranging three flat surfaces perpendicular to each other. Light emitted toward a corner cube repeatedly propagates regular reflections and the reflected light ultimately moves straight back toward the emitted light. This is refe ...
... regular reflection. A corner cube takes advantage of this principle by arranging three flat surfaces perpendicular to each other. Light emitted toward a corner cube repeatedly propagates regular reflections and the reflected light ultimately moves straight back toward the emitted light. This is refe ...
Interference experiments with the fluorescence light of Ba ions
... in the resonator and atom become comparable to or exceed the atomic and cavity decay strengths, the properties of the atom and resonator are significantly changed. For example, the cavity resonance is split into two peaks which are separated by the coupling constant between the atom and the resonat ...
... in the resonator and atom become comparable to or exceed the atomic and cavity decay strengths, the properties of the atom and resonator are significantly changed. For example, the cavity resonance is split into two peaks which are separated by the coupling constant between the atom and the resonat ...
The Focusing and Talbot Effect of Periodic Arrays of Metallic
... where I0 is the initial intensity of the wave, and I(Z) is the output intensity along the optical axis at a distance Z away from the aperture. Thus, the focal point, defined as the point of maximal output intensity, can be written as Zm, which equals to ρ2/l. The calculated focal lengths are also li ...
... where I0 is the initial intensity of the wave, and I(Z) is the output intensity along the optical axis at a distance Z away from the aperture. Thus, the focal point, defined as the point of maximal output intensity, can be written as Zm, which equals to ρ2/l. The calculated focal lengths are also li ...
Optical Fiber Amplifiers
... • Any piece of connecting fiber. In addition to showing how little the fiber affects most wavelengths, this will also show the range of the white light source (becomes irregular below 600nm, and unusable below 500nm). It is a good idea to do this for each piece of fiber you use, to check that the fi ...
... • Any piece of connecting fiber. In addition to showing how little the fiber affects most wavelengths, this will also show the range of the white light source (becomes irregular below 600nm, and unusable below 500nm). It is a good idea to do this for each piece of fiber you use, to check that the fi ...
Refractive-Index-Matched Indium--Tin
... components of the LCD until it reaches the screen. However, due to optical loss mechanisms at each component, less than 5% of total light output from the BLU light source is usually available at the screen.1) The LC is sandwiched between two indium–tin-oxide (ITO) electrodes which are used to induce ...
... components of the LCD until it reaches the screen. However, due to optical loss mechanisms at each component, less than 5% of total light output from the BLU light source is usually available at the screen.1) The LC is sandwiched between two indium–tin-oxide (ITO) electrodes which are used to induce ...
Untitled
... molecules are, and whether or not the atoms or molecules exhibit the long-range order evidenced in crystalline solids. 2. Glassy structure: Scattering centres include fluctuations in density and/or composition. 3. Microstructure: Scattering centres include internal surfaces in liquids due largely to ...
... molecules are, and whether or not the atoms or molecules exhibit the long-range order evidenced in crystalline solids. 2. Glassy structure: Scattering centres include fluctuations in density and/or composition. 3. Microstructure: Scattering centres include internal surfaces in liquids due largely to ...