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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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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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WISOPTIC offers both plate and cube PBS for a variety of wavelength ranges and power handling requirements.
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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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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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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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Thin Film Polarizers are made from composed materials which include a polarizing film, an inner protective film, a pressure-sensitive adhesive layer, and an outer protective film. Polarizer is used to change un-polarized beam into linear polarized beam.
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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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LiNbO3 crystal is a low cost photoelectric material with good mechanical
and physical properties as well as high optical homogeneity. It has
been widely used as frequency doublers for wavelength > 1mm and
optical parametric oscillators (OPOs) pumped at 1064nm as well as
quasi-phase-matched (QPM) devices. With preferable E-O coefficients,
LiNbO3 crystal has become the most commonly used material for Q-switches
and phase modulators, waveguide substrate, and surface acoustic wave
(SAW) wafers, etc.
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Optical lenses can be made in many shapes and may be comprised of a
single element or form constituent parts of a multi-element compound
lens system. They are used to focus light and images, produce
magnification, correct optical aberrations and for projection, mainly
controlling the focus or divergence light used in instrumentation,
microscopy and laser applications.
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Polarizing Beamsplitters (PBS) splits incident unpolarized light into two perpendicular linearly polarized light. Among them, p-polarized light passes through completely, while s-polarized light is reflected at 45 deg which makes the emitting direction of s-light vertical to p-light. Additionally, beamsplitters can be used in reverse to combine two
different beams into a single one. Beamsplitters are often classified
according to their construction:cube or plate.Cube PBS are fabricated using two typically right angle prisms.
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Bandpass Filters are used in a variety of industries, including machine
vision,factory automation, security and surveillance, license plate
recognition, medical and life science, agricultural inspection, aerial
imaging, motion analysis, photography and cinematography.WISOPTIC's bandpass filters include mass collection of dielectric-coated
filters, colored glass filters, neutral density filters, spatial
filters, and tunable optical filter based on liquid crystal
technology. Specifically speaking, e.g.
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Dye Laser Handpiece are devices that screw onto the end of the laser's arm and convert the energy that the laser produces into different, new wavelengths of light.The two most common dye handpiece wavelengths are 585 nm and 650 nm,
which attach to Q-switched Nd:YAG lasers. For these wavelengths to be
produced, the Nd:YAG's 1064 nm wavelength is frequency-doubled to
produce the 532 nm wavelength, which is then converted by the dye
handpieces to produce either 585 nm or 650 nm. WISOPTIC use in-house made dye laser cells to make dye laser handpieces.
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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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HGTR (High Grey Track Resistance) KTP crystal developed by hydrothermal method overcomes the common phenomenon of electrochromism of the flux-grown KTP, thus has many advantages such as high electrical resistivity, low insertion loss, low half-wave voltage, high laser damage threshold, and wide transmission band.
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A wave plate, also called a phase retarder, is an optical device that changes the polarization state of light by generating an optical path difference (or phase difference) between two mutually orthogonal polarization components. When the incident light passes through wave plates with different types of parameter, the exit light is different, which may be linearly polarized light, elliptically polarized light, circularly polarized light, etc.
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LN crystals are nonhygroscopic and have low absorption coefficient and insert loss. In addition, LN crystal can operate stably in a wide temperature range, which makes them the main EO crystal applied in military laser systems.LN electro-optic Q-switches are widely
used in Er:YAG, Ho:YAG, Tm:YAG lasers, and are suitable for low-power
Q-switched output, especially in laser ranging. LN Pockels cells can be very compact, and the half-wave voltage can be very low. By doping MgO in LiNbO3, the damage threshold of LN Pockels cells can been increased dramatically.
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Wisoptic’s optical mirrors are available for use with light in the UV,
VIS, and IR spectral regions. Optical mirrors with a metallic coating
have high reflectivity over the widest spectral region, whereas mirrors
with a broadband dielectric coating have a narrower spectral range of
operation; the average reflectivity throughout the specified region is
greater than 99%.
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The most notable benefit of aspheric lenses is their ability to correct for spherical aberration,
an optical effect which causes incident light rays to focus at
different points when forming an image, creating a blur. Spherical
aberration is commonly seen in spherical lenses, such as plano-convex or
double-convex lens shapes, but aspheric lenses focus light to a small
point, creating comparatively no blur and improving image quality.
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Polarization optics is important for both intra and extra cavity use. By using high contrast thin film polarizers in their design, laser engineers can save weight and volume within the laser system without influencing the output. Compared with polarizing prisms, polarizers have larger incident angle and can be made with larger apertures. Compared with polarizers made from birefringent crystals, the advantage of thin film polarizers made from UVFS or N-BK7 is that they can be fabricated in very large sizes, therefore are
particularly well suited for high laser powers and UV wavelengths.
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Optical windows are made in the form of flat plates of a transparent medium that allow light into an instrument. Windows have high optical transmission with little distortion of the transmitted signal, but can not change the magnification of the system.
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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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Main SpecificationsDimensionsLength50 ~ 120 mm (± 0.5 mm)Diameter3 ~ 6 mm (+0.00, -0.05 mm)Er Concentration~ 50 atm%Orientation[111] (± 1°)Distinction Ratio≥ 25 dBWavefront Distortionλ/8 per inch @ 1064 nmBarrel FinishFine ground (400#)End Surface Parallelism ≤ 10”Perpendicularity≤ 5’End Surface Flatnessλ/10 @ 633 nmEnd Surface Quality10-5 [s-d] (MIL-PRF-13830B)Chamfer0.15 ± 0.05 mm @ 45°CoatingAR (R<0.25% @ 2940 nm)
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Ceramic Laser Reflector (Ceramic Laser Cavity) works particularly well in Ruby,
Nd:YAG, or Alexendrite laser pumping chambers and can be a highly cost effective
alternative to metal coated reflectors. Compared to metal reflectors, ceramic units offer higher reflectivity
and therefore enhanced laser power. Surfaces can be sealed and coated
with a solarization-resistant glaze to give high bulk reflectivity.
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