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Corner cube prisms are optics which act as corner reflectors.
The basic operation principle is that there are internal reflections on
three mutually orthogonal prism surfaces, producing a direction of a
reflected beam which is nominally parallel to the direction of the
incident beam – with the accuracy limited only by the accuracy of the
surface orientation of the prism.
Precision prisms can offer excellent parallelism of incoming and
reflecting beams.
It is usually specified as an angular deviation, e.g.
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A corner cube (or cube corner), also known as a retroreflector, is an optical
component with the unique ability to return an incoming beam of light
directly towards its point of origin regardless of the beam's angle of
entry. This property makes this prism type ideal for a wide variety of
applications, such as laser resonator cavities, land surveying, ground
based range-finding, satellite communications and space vehicle docking.Wisoptic offer a wide variety of retroreflectors at competitive prices and lead times, and are able to accommodate the most demanding requirements.
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A right angle prism is an optical prism designed to deviate light by 90° or 180°, depending on the orientation of the prism and the face through which light enters. The joining edges and faces are perpendicular to the base faces, and all joining faces are rectangular. They are often preferable to plane mirrors, because they are easier to mount and align.
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A prism, in optics, is a piece of glass or other transparent object surrounded by two planes that intersect
but are not parallel to each other. The most important parameters of a
prism are the angle and material. Prisms are capable to redirect light at a designated angle or adjust the orientation of an image. Therefore prism is useful for in certain spectroscopes, instruments for analyzing light
and for determining the identity and structure of materials that emit or
absorb light. An optical prism’s design determines how light interacts with it.
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Right angle prisms
are generally used to bend image paths or redirect light at 90°. This
produces a left handed image and depending on the orientation of the
prism, the image may be inverted or reverted.
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WISOPTIC offers both plate and cube PBS for a variety of wavelength ranges and power handling requirements.
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An aspherical lens features a non-spherical but rotationally symmetric
shape with a curvature radius that changes at various points between the
center and the edge. Although producing this type of lens is difficult,
when manufactured properly, it offers greater functionality than a
comparable spherical lens.Spherical Lenses vs. Aspherical LensesSpherical lenses have a spherical surface and the same radius of
curvature across the entire lens. In contrast, aspherical lenses have a
more complicated surface with a gradually changing curvature from center
to edge.
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There are four main types of prisms based on the function: dispersion
prism, deflection or reflection prism, rotating prism and offset prism.
Deflection, offset and rotating prisms are commonly used in imaging
applications; diffusion prisms are designed for dispersive light sources
and are not suitable for any application that requires high quality
images.WISOPTIC offers a wide range of optical prisms with various designs, substrates, or coatings.
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Wisoptic' standard and precision quality laser windows are fabricated from a variety of substrate
materials, e.g. UVFS
and N-BK7. They are available either with or without AR coatings, and with dia from 12.5 to 101.6 mm and thickness from 1 to 15 mm.
Also we offer uncoated rectangular windows with aperture from 15 x 20 to
50.8 x 50.8 mm and thickness from 2 to 10 mm.
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Optical Prisms are widely used to redirect light at a designated angle. They are ideal for ray deviation, or for adjusting the orientation of an image. An optical prism’s design determines how light interacts with it. When light enters an optical prism, it either reflects off an individual surface or several surfaces before exiting, or is refracted as it travels through the substrate. WISOPTIC offers a wide range of optical prisms with various designs, substrates, or coatings.
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Polarizing Beamsplitters (PBS) are
designed to split light by polarization state rather than
by wavelength or intensity. PBS are often used in
semiconductor or photonics instrumentation to transmit p-polarized light
while reflecting s-polarized light. Optical isolators use PBS to eliminate feedback-induced damage. PBS are typically designed for 0° or 45° angle of incidence
with a 90° separation of the beams, depending on the configuration.WISOPTIC offers a wide variety of PBS in a
range of configurations including plate, cube, or lateral displacement.
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Optical beamsplitters play a vital role in many laser-based
measurement and positioning systems. Although the operation of a typical
beamsplitter is conceptually simple, its performance characteristics
can dramatically affect the accuracy and repeatability of the overall
system. Consequently, understanding the variables that distinguish
beamsplitter performance is an important step in comparing and
specifying components.
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When choosing a window, the user should consider whether the material's transmission properties and the mechanical properties of the substrate are consistent with specific requirements of the application. Coating is another important issue for choosing a proper window. WISOPTIC offer a wide variety optical windows with different coatings, e.g. anti-reflection coated precision windows for Nd:YAG laser applications.
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The improved hydrothermal-grown KTP crystal overcomes the common
electrochromism damage of flux-grown KTP. The hydrothermal-grown KTP (HGTR-KTP, or GTR-KTP) has high damage
threshold, large effective electro-optic coefficients and lower
half-wave voltage. KTP EO Q-switches made by HGTR-KTP crystals utilize thermally compensated
double crystal designs. They are mainly used in pulse lasers with narrow pulse width and high repetition frequency.
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Yb:YAG's advantage is a wide pump band and an excellent emission
cross section. It is ideal for diode pumping. The broad absorption band
enables Yb:YAG to maintain uninterrupted pump efficiency across the
typical thermal shift of diode output. High efficiency means a
relatively small dimension Yb:YAG laser crystal will produce high power
output. Based on the YAG host crystal, Yb:YAG can be quickly integrated
into the laser design process.
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BBO features good optical transparency from around 200nm to over 2µm, offers a high
resistance to optical damage with power handling >3GW/cm2 for 1ns pulses at 1064nm. It
is possible to use BBO Pockels cells at average power levels of
hundreds of watts and power densities of several kW/cm2. In addition, BBO Q-switches have very
low levels of piezo-electric resonances.
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Nominally pure stoichiometric LiNbO3
shows lower photorefractive damage resistance than congruent crystal;
however, stoichiometric crystals doped with MgO of more than 1.8 mol.
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WISOPTIC provides sorts of quadric Aspheric Lens and high order Aspheric Lens, as well as infrared Aspheric Lens (ZnS, ZnSe, Ge, etc. ).WISOPTIC Capabilities - Aspheric Lens Medium PrecisionHigh PrecisionAperture5~200 mm20~1000 mmSurface Quality [S/D]< 40/20 [S/D]< 40/20 [S/D]Surface IrregularityPV< 0.5~5 µm RMS< λ/50 @ 632.8 nmAspheric Surface Type Quadric, High order Quadric, High order Manufacture Capability300 pcs/month20 pcs/year
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The EO Q-switch (Pockels cell) is an electro-optic device in which the crystal
produces linear changes in the birefringence of the crystal (in contrast
to the Kerr Effect, which is quadratic with E).
Pockels cells are essential components in various optical devices such
as Q-switches for lasers, free space electro-optical modulators, free
space switches. WISOPTIC use highly deuterated DKDP (KD*P) crystal (D%>99%) to make high quality Q-switches with high laser induced damage threshold.
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Potassium dihydrogen phosphate KH2PO4 (KDP) is a
transparent dielectric material best known for its nonlinear optical and
electro-optical properties. Because of its nonlinear
optical properties, it has been incorporated into various laser systems
for harmonic generation and optoelectrical switching.
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Cr:YAG (Chromium doped Ytterium Aluminum Garnet, Cr:Y3Al5O12) crystal is an excellent material for passive Q-switching of Nd:YAG and other Nd or Yb doped lasers in the wavelength range of 0.8 to 1.2 μm. One of the remarkable features of Cr:YAG is its high damage threshold (500-1000 MW/cm2). Its absorption band extends from 800 nm to 1200 nm and peaks at around 1060nm with a very large absorption cross section.
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Characterized by the excelent UV transmission, high damage threshold,
and high birefringence, KDP (Potassium Dihydrogen Phosphate) are commonly used commercial NLO materials
for doubling, tripling and quadrupling of Nd:YAG laser at room
temperature or an elevated temperature. KDP are also excellent
electro-optic (EO) crystals with high EO coefficients, thus popularly
used as EO modulators and Pockels cells for Q-switched
lasers.
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Potassium
Dihydrogen Phosphate (KDP) and Potassium Dideuterium Phosphate (DKDP)
are among the most widely-used commercial NLO materials, characterized
by good UV transmission, high damage threshold, and high birefringence,
though their NLO coefficients are relatively low. They are usually used
for doubling, tripling or quadrupling of a Nd:YAG laser (at constant
temperature).
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LBO (LiB3O5) is an excellent non-linear crystal of Borate-family following BBO. LBO has advantages of good ultraviolet transmittance (210-2300 nm), high laser damage threshold and large effective frequency doubling coefficient (about 3 times of KDP crystal). Therefore LBO is commonly used to produce high power second and third harmonic laser light, especially for ultraviolet lasers.LBO has large band gap and transparency region, high non-linear coupling, good chemical and mechanical properties.
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