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A diffractive beam splitter can generate either a 1-dimensional beam array (1xN) or a 2-dimensional beam matrix (MxN), depending on the diffractive pattern on the element. The diffractive beam splitter is used with monochromatic light such as a laser beam, and is designed for a specific wavelength and angle of separation between output beams.
A Michelson interferometer consists minimally of mirrors M 1 & M 2 and a beam splitter M (although a diffraction grating is also used [3]). In Fig 2, a source S emits light that hits the beam splitter (in this case, a plate beamsplitter) surface M at point C .
Splitting the beam allows its use for multiple purposes simultaneously. The thinness of the mirror practically eliminates beam or image doubling due to a non-coincident weak second reflection from the nominally non-reflecting surface, a problem with mirror-type beam splitters. [1] The name pellicle is a diminutive of pellis, a skin or film.
Operations via linear optical elements (beam splitters, mirrors and phase shifters, in this case) preserve the photon statistics of input light. For example, a coherent (classical) light input produces a coherent light output; a superposition of quantum states input yields a quantum light state output. [3]
As seen in Fig. 2a and 2b, the observer has a direct view of mirror M 1 seen through the beam splitter, and sees a reflected image M ′ 2 of mirror M 2. The fringes can be interpreted as the result of interference between light coming from the two virtual images S ′ 1 and S ′ 2 of the original source S. The characteristics of the ...
The interferometer consists of two mirrors, made of the thickest glass possible. The Fresnel reflection from the first surface of the mirror acts as a beam splitter . The incident light is split into two rays, parallel to each other and displaced by an amount depending on the thickness of the mirror.
Light reflected from the tilted beam splitter is made parallel using a lens and split by slits into two beams, which traverse a tube carrying water moving with velocity v. Each beam travels a different leg of the tube, is reflected at the mirror at left, and returns through the opposite leg of the tube.
A pair of ordinary mirrors: one mirror is located on each beam path. They are positioned to redirect the photon so that the two paths intersect one another at the same position as the second beam splitter. A second beam splitter: identical to the initial one.
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