Fibre multiplexer with spatial light modulator
A 2D spatial light modulator for spatio temporal shaping
... write- light is shone on it from the back. The pixelated light coming from the LCD is therefore slightly defocused and shone on the PAL-SLM where it is converted into a phase ...write light setup ...
85
Simple technique for the determination of the complex transmittance of spatial light modulator
... We can obtain even better results with another setting of the SLM (Fig. 5). In this condition we have quasi linear phase shift between 0 and π, with almost no amplitude modulation, leading to a SLM working as a nearly ...
11
Use of a spatial light modulator as an adaptable phase mask for wavefront coding
... All the evaluation experiments are done using monochromatic incoherent light at 632.8 nm, to fit with the calibration results. The restoration process operates on the coded MTF and attempts to recover the ...
11
CiteSeerX — VIII-B-1 Developments of Liquid Crystal Spatial Light Modulator
... Crystal Spatial Light Modulator SATO, Shin-ichiro; WATANABE, Kazuo The chemical reaction controls with laser lights are one of the most important subjects of ...
6
Multi wavelength holography with a single spatial light modulator for ultracold atom experiments
... magic-wavelength light within the region of the central dimple, this will not have a deleterious effect as it will serve to light shift atoms in this region farther from resonance with the microwave ...the ...
8
Comparison of beam generation techniques using a phase only spatial light modulator
... where of course in practice the selected order will continue to propagate at an angle to the pure reflection. Using this model, we predict the intensity profile of the light at the imaging plane of the SLM as well ...
16
Multi-spectral random illumination using a liquid crystal spatial light modulator
... A pure-phase spatial light modulator (SLM) is a diffractive optical device with a high energy efficiency. The genera- tion of random phase illumination by an SLM has been used in many applications ...
6
Ultrafast laser parallel microdrilling using multiple annular beams generated by a spatial light modulator
... E-mail: [email protected] or [email protected] Abstract Ultrafast laser parallel micro drilling using diffractive multiple annular beam patterns is demonstrated in this paper. The annular beam was generated by diffractive ...
12
Finite element method for 3D optical modeling of liquid crystal on silicon spatial light modulator
... b HOLOEYE Photonics AG, Volmerstr. 1, 12489 Berlin, Germany ABSTRACT Accurate optical modeling for design and optimization of liquid crystal on silicon spatial light modulators (LCoS SLMs) is important for ...
10
Fabrication of microscale medical devices by two-photon polymerization with multiple foci via a spatial light modulator
... An SLM was used to generate multiple laser spots, which were then used to produce devices by 2PP, including tissue engineering scaffolds and microneedle arrays, with significantly redu[r] ...
Acousto optic superlattice modulator using Fibre Bragg grating
... the light reflected from the grating is upshifted or downshifted, the light was mixed at a square-law detector with light frequency shifted in a conventional Bragg ...The light was detected at ...
5
Ultrafast laser beam shaping for material processing at imaging plane by geometric masks using a spatial light modulator
... Keywords: Ultrafast laser, beam shaping, material micro-processing, geometric phase mask, spatial light modulator 1. Introduction In the laser two decades, ultrafast lasers have been widely used for ...
9
A direct comparison between a MEMS deformable mirror and a liquid crystal spatial light modulator in signal-based wavefront sensing
... mirror, spatial light modulator 1 INTRODUC TION Conventional wide-field microscopes and confocal mi- croscopes can produce images with a resolution down to sub-micrometer ...
10
Real-time electroholography using a single spatial light modulator and a cluster of graphics-processing units connected by a gigabit Ethernet network
... 3 National Astronomical Observatory of Japan, Mitaka, Tokyo 181-8588, Japan 4 Graduate School of Engineering, Chiba University, Chiba, Chiba 263-8522, Japan *Corresponding author: [email protected] ‑u.ac.jp Received ...
5
Polarisation dependent NUV femtosecond laser Inscription of high grade Volume Bragg Gratings in poly(methyl)methacrylate with a spatial light modulator
... I Parallel near-ultraviolet（NUV）beam, 387nm femtosecond laser pulses with linear and circular polarisations were used to inscribe high efficiency Volume Bragg Gratings (VBGs) in clinical grade poly(methyl)methacrylate ...
175
Deformed-helix ferroelectric liquid-crystal spatial light modulator that demonstrates high diffraction efficiency and 370-line pairs mm resolution
... OASLM’s that utilize a high-tilt-angle DHFLC and a carbon-doped a-Si:H ~a-Si 1 2x :C x :H ! PC are cur- rently being developed to achieve high DE and a fast response time simultaneously with minimal write- light ...
6
Experimental characterization towards an in-fibre integrated silicon slab based all-optical modulator
... Lipson et al. [8 – 10] have shown optical modulation in Si ring resonators in which light is confined and resonates in order to enhance the optical modulation effects. They used Silicon-On-Insulator (SOI) ring ...
9
Applications of spatial light modulators in Raman spectroscopy
... the spatial offsets are implemented by displaying binary images with annular-like collection ...where light is rejected from the ...actual spatial offset on the sample is determined by the radius of ...
74
Third-ordernonlinear optical properties of Spatial Light Modulator
... 𝐿 𝑒𝑓𝑓 = (1 − 𝑒𝑥𝑝(−𝛼 ° 𝐿))/𝛼 ° (6) where L is the thickness of SLM. In OA condition, the aperture is removed to allow all the light to reach the detector.when the SLM gets closer to the focal point, the output ...
7
Design and characterization of DOE micro lens array for spatial light modulator
... Keywords: DOE micro lens array, liquid crystal spatial light modulator, digital holography 1. Introduction Diffractive Optical Element is a widely used optical technique in various fields[1, 2]. For ...
7