Examples of 'quarter-wave plate' in a sentence
Meaning of "quarter-wave plate"
A quarter-wave plate is an optical device that alters the polarization state of light. It is constructed by placing a thin transparent material of a specific thickness between two perpendicular polarizers. The thickness of the material is chosen such that it introduces a phase difference of a quarter of a wavelength, resulting in a different polarization state of the transmitted light
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- a sheet of birefringent material whose thickness is such that the light associated with the larger refractive index is retarded in phase by 90° with respect of that associated with the smaller refractive index; used to convert linearly polarized light into circularly polarized light
How to use "quarter-wave plate" in a sentence
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quarter-wave plate
A quarter-wave plate can impose this delay.
The latter window is advantageously a quarter-wave plate.
A quarter-wave plate can be used to produce elliptical polarization as well.
This polarization splitter is associated with a quarter-wave plate.
A quarter-wave plate is bonded to one of the faces of the prism.
Creating circular polarization using a quarter-wave plate and a polarizing filter.
This quarter-wave plate makes it possible to realize an optical decoupling.
The balancing elements consist of a quarter-wave plate associated with a polariser ;.
This quarter-wave plate makes it possible to bring about an optical decoupling.
A combination of a linear polarizer and a quarter-wave plate produces a circular polarization.
A quarter-wave plate is preferably used for producing the delay plate.
The polarization rotator may include a quarter-wave plate or a birefringent plate.
Such a quarter-wave plate must be substantially transparent for the beam of wavelength λ 1.
The combination of a linear polarizer and a quarter-wave plate constitutes a circular polarizer.
A quarter-wave plate is interposed between said plane mirror and the polarizing beam splitters.
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In accordance with another characteristic of the invention, said quarter-wave plate is achromatic.
The measurement arm quarter-wave plate must therefore be oriented accordingly.
In disclosed embodiments, the polarization rotator includes a quarter-wave plate or a birefringent plate.
First note that a quarter-wave plate always transforms circularly polarized light into linearly polarized light.
The polarization rotator typically comprises a quarter-wave plate or a birefringent plate, for example.
The outward linearly polarized light is converted into circularly polarized light by the quarter-wave plate.
Advantageously, said quarter-wave plate is the window plate itself.
Point B corresponds to the polarisation at the output of the first quarter-wave plate.
It then crosses the quarter-wave plate 2 and emerges as a circularly polarized wave 7.
In this case, the first means consists of a quarter-wave plate.
Device according to claim 1, wherein said quarter-wave plate comprises the window plate of said chamber.
This becomes orthogonal to that of the pump beam 14, after passing through the quarter-wave plate.
The means 80 can also retract the quarter-wave plate or the linear polarizer.
Through the quarter-wave plate 24 which converts the linear polarization of the beam into circular polarization ;.
Apparatus according to claim 2, characterized in that said quarter-wave plate is achromatic.
The laser beam then goes through quarter-wave plate 12 a second time before penetrating separator 9 again.
The splitter transmits the other portion of the beam toward a quarter-wave plate 105.
The quarter-wave plate 105 transforms these circularly polarized light beams into light beams of linear polarization.
This is why, according to the invention, there is provided a quarter-wave plate with a special design.
The quarter-wave plate 19 is chosen to be achromatic.
In this case, the Bragg grating comprises a quarter-wave plate in order to ensure a single-mode operation.
A quarter-wave plate λ/4 placed between the amplifier 2 and the phase conjugate mirror 3.
Plate 20 is constructed to be a quarter-wave plate for wavelength λ4.
The quarter-wave plate 12 is positioned parallel to the mirror, between the latter and the cube 2.
Further, optical element 35 may contain other optics, such as, but not limited to a quarter-wave plate.
The quarter-wave plate 105 converts these circularly polarized light beams into linearly polarized light beams 116.
FIG . 4 shows a rotation of the quarter-wave plate through an angle a ;.
A parallel quarter-wave plate 15 is also located on the optical path between lenses L1 and L2.
Bonded to the polarization splitter 4 is a quarter-wave plate 5 and a Mangin mirror 6.
Altenatively, a quarter-wave plate 72A can be inserted in the beam path.
This transmitted wave then reaches the quarter-wave plate 15 positioned in the afocal system 1 of FIG . 3.
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Examples of using Quarter-wave
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Quarter-wave plates are readily available commercially
The layer is then called a quarter-wave coating
A quarter-wave plate can impose this delay
