Abstract:
A device comprising a nonlinear optical (NLO) material according to the formula XLi 2 Al 4 B 6 O 20 F. A device comprising a nonlinear optical material (NLO) according to the formula KSrCO 3 F, wherein the NLO comprises at least one single crystal. A nonlinear optical material selected from the group consisting of KSrCO 3 F Rb 3 Ba 3 Li 2 Al 4 B 6 O 20 F and K 3 Sr 3 Li 2 Al 4 B 6 O 20 F.
Abstract:
An optical system comprising: a nonlinear material having a ferroelectric domain structure, the nonlinear material capable of converting first and second optical signals respectively to first and second frequency-converted optical signals; and alignment means for respectively aligning the first and second optical signals such that they propagate collinearly, but in opposite directions, through the nonlinear medium to obtain a overlap region in the nonlinear material where the first and second optical signals overlap, wherein the nonlinear material being capable of converting the first and second optical signals to a third frequency converted optical signal in the overlap region; wherein the third optical frequency generated by the nonlinear material propagates in a direction that is either oblique or transverse to the propagation direction of both the first and second optical signals.
Abstract:
A multiphoton absorption functional material including one of: fine particles of metal, and fine particles partly coated with the metal, the metal generating enhanced surface plasmon field on a metal surface, wherein the fine particles or the fine particles partly coated with the metal are dispersed in a multiphoton absorption material, and wherein the multiphoton absorption functional material is a bulk body.
Abstract:
A solid substrate comprising a first major surface, a second major surface juxtaposed from and parallel or substantially parallel to the first major surface, wherein the substrate has a plurality of surface relief structures, located on the substrate between the first and second major surfaces, and extending over the substrate; wherein the solid substrate comprises a host matrix, and at least one nanoparticle within the host matrix. A process of forming a composite material, comprising at least partially coating at least one nanoparticle with a, halogenated outer layer, and dispersing the at least one at least partially coated nanoparticle into a host matrix material, wherein the composite material has a first major surface and a second major surface juxtaposed from and parallel or substantially parallel to the first major surface; and wherein the composite material has a plurality of surface relief structures, located between the first and second major surfaces, and extending over the surface of the composite material. An optical waveguide comprising a core for transmitting incident light, a cladding material disposed about the core, and a plurality of surface relief structures located on the surface of the optical waveguide, wherein the core of the optical waveguide comprises a host matrix and at least one nanoparticle dispersed within the host matrix.
Abstract:
A radiation source (100, 200) adapted for providing high order harmonic radiation (HHG radiation), in particular in an UV or XUV wavelength range, comprises a resonant cavity (10, 20) adapted for guiding laser light pulses, the resonant cavity including at least two cavity mirrors (11, 12,..., 21, 22...), a first non-linear medium (30) adapted for providing the HHG radiation by harmonic generation based on an interaction of the laser light pulses with the first non-linear medium (30), wherein the first non-linear medium (30) is arranged in the resonant cavity (10, 20) in an environment of reduced pressure, and a second non-linear medium (50) which is arranged in the resonant cavity (10, 20) and is adapted for at least one of an amplification of the laser light pulses and phase locking of longitudinal modes of the laser light pulses in the resonant cavity (10, 20). Furthermore, a method of high order harmonic generation of pulsed radiation (HHG radiation) using the radiation source (100, 200) is described.
Abstract:
An apparatus includes one or more optical couplers, an optical medium, and an optical pump source. The optical medium behaves as a negative refractive index material over a frequency range. The one or more optical couplers are configured to provide first and second optical inputs to the optical medium and to provide an optical output from the optical medium. The optical pump source is coupled by one of the one or more optical couplers to deliver pump light to the optical medium.