The recombination of the beam generates a first polarized beam of radiation and a second polarized beam of radiation.
The switch combines the vertical component of the first polarized beam and the horizontal component of the second polarized beam to produce an output polarized beam.
A uniformizer conditions the substantially polarized illumination beam of multiple wavelengths to provide a uniformized polarized beam of multiple wavelengths.
The plurality of modulating elements apply a first and second modulation to the first polarized beam of radiation and the second polarized beam of radiation respectively.
The phase change is dependent on the wavelength of the polarized beam.
The resulting polarised beam is transmitted to a holographic device (HLi) focusing the beam on different points of a screen.
The beam splitters are dimensioned and shaped so that an output beam, reflected from the second beam splitter, has a power independent from the state of polarization of the randomly polarized beam.
The analyser comprises a first polariser device for location in the at least first polarised beam between the source and at least first beam intensity sensor.
The second pinhole 15b forms a second projection beam L5-2 from the second polarized beam L4-2 focused by the first optical system 14.
The first pinhole 15a forms a first projection beam L5-1 from the first polarized beam L4-1 focused by the first optical system 14.
The color separation and recombination prism is optically aligned to receive the first polarized beam.
On the side orthogonal to the phase varying means (14), further provided is a beam sensing element for sensing light polarized by the polarized beam splitter.
A single laser system utilizes a grating (12) to provide a shifted beam and a nonshifted beam which are directed through a polarized beamsplitter (14) in the nonsplitting direction.
Each of the orthogonally polarized beams is incident on a corresponding region of the front mirror (41) of the split-mirror resonator (35).
In this way, using further dispersive birefringent crystals (6) and birefringent crystals generating a beam offset as a function of the polarization, a total of 8 radiation sources are combined into a single polarized beam.
Thus, polarization-independent operation can be realized and, to the contrary, a polarized beam splitter can be realized only by changing the waveguide widths.
The optically active plate (52) is disposed between the polarized hologram (51) and an objective lens (53), and the beam polarized by the optically active plate (52) is incident on the optical disk (33) through the objective lens (53).
The polarised beam (12) penetrates the object to be measured in the measuring chamber (3) and the rotation angle varies by a low angular value υMG.
An optical pickup apparatus has a laser beam source (11), a polarized beam splitter (14) and an objective lens (13), all being aligned with an optical axis (0-0').
The composite polarized beam has a composite average power and a composite repetition rate that are greater than those provided by either laser.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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