Experimental demonstration of a narrowband, angular tolerant
... To identify the parameters of the structure governing the angular and spectral linewidths, some approximate theories have been developed for gratings periodic along one direction (1D). It has been proved [1,6] that when only one eigenmode is excited (e.g., in oblique incidence), both the angular and ...
... To identify the parameters of the structure governing the angular and spectral linewidths, some approximate theories have been developed for gratings periodic along one direction (1D). It has been proved [1,6] that when only one eigenmode is excited (e.g., in oblique incidence), both the angular and ...
Optical measurement technique with telecentric lenses
... the same size. To realize this, one has to approach the object very closely with the wide angle lens (approx. 35 cm). With the tele-lens however the distance has to be very large (approx. 2 m). One may clearly observe, that with the wide angle lens the chess figures, which were arranged in equally s ...
... the same size. To realize this, one has to approach the object very closely with the wide angle lens (approx. 35 cm). With the tele-lens however the distance has to be very large (approx. 2 m). One may clearly observe, that with the wide angle lens the chess figures, which were arranged in equally s ...
polygonal mirror laser scanning heads: characteristic functions
... dimensional (2D) PM plus GS devices, where the PM produces fast scan lines that are precisely positioned by the GS (as an alternative to dual axis GSs) [18]; (iv) double prismatic PMs for generating short laser impulses; (v) double pyramidal PMs (a normal one inside a similar pyramidal cavity) for O ...
... dimensional (2D) PM plus GS devices, where the PM produces fast scan lines that are precisely positioned by the GS (as an alternative to dual axis GSs) [18]; (iv) double prismatic PMs for generating short laser impulses; (v) double pyramidal PMs (a normal one inside a similar pyramidal cavity) for O ...
Sparse synthetic aperture with Fresnel elements (S
... called Fresnel incoherent correlation holography (FINCH) [11,12]. SAFE creates an SA by combining several Fresnel sub-holograms captured from various viewpoints by FINCH with a limited physical aperture. Later on, another scheme of SAFE was proposed, dubbed Telescopic SAFE (T-SAFE) [13]. In T-SAFE, ...
... called Fresnel incoherent correlation holography (FINCH) [11,12]. SAFE creates an SA by combining several Fresnel sub-holograms captured from various viewpoints by FINCH with a limited physical aperture. Later on, another scheme of SAFE was proposed, dubbed Telescopic SAFE (T-SAFE) [13]. In T-SAFE, ...
Enhanced Femtosecond Optical Pulses Compression
... the TOD and Raman scattering can be effective further compression of optical pulses through propagation in the waveguides. Some related works are mentioned in the following, for example,the generation of femtosecond optical pulses by the interaction between the third-order dispersion and the XPM was ...
... the TOD and Raman scattering can be effective further compression of optical pulses through propagation in the waveguides. Some related works are mentioned in the following, for example,the generation of femtosecond optical pulses by the interaction between the third-order dispersion and the XPM was ...
Basic Physical Optics
... This principle holds for water waves, mechanical waves on strings and on springs (the Slinky!), and for sound waves in gases, liquids and solids. Most important for us, it holds for all electromagnetic waves in free space. So, if we have two light waves passing through some common point P, where Wav ...
... This principle holds for water waves, mechanical waves on strings and on springs (the Slinky!), and for sound waves in gases, liquids and solids. Most important for us, it holds for all electromagnetic waves in free space. So, if we have two light waves passing through some common point P, where Wav ...
Concepts of optical signal processing and optical communications
... ky(x,y) the angles of tilt are approximately kx/k and ky/k so that the beam transmitted or reflected by the transparency at position (x,y) hits the output plane at a point (x’,y’) satisfying ...
... ky(x,y) the angles of tilt are approximately kx/k and ky/k so that the beam transmitted or reflected by the transparency at position (x,y) hits the output plane at a point (x’,y’) satisfying ...
Nanoscale focusing of atoms with a pulsed standing wave
... in [8] for experimental investigations but there is no conceptual difference to the application with other species using frequency-doubled laser light. This work also extends earlier experiments with an on-resonance pulsed standing wave, where we have demonstrated the macroscopic focusing of a slow ...
... in [8] for experimental investigations but there is no conceptual difference to the application with other species using frequency-doubled laser light. This work also extends earlier experiments with an on-resonance pulsed standing wave, where we have demonstrated the macroscopic focusing of a slow ...
