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Alumina Ceramic Reflectors are designed primarily for use in pumping chambers for many diverse laser
systems, e.g. YAG lasers.
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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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The Ceramic Laser Reflectors are high reflectance cavities used in solid state and CO2 laser systems. They are built either as a one-piece or two-piece system based on customer requirement.Ceramic cavities produce diffuse reflectance, which offers a very uniform beam profile. This diffuse reflectance also distributes light and consequently decreases hot spots in the pumped medium. These completely dense materials (e.g. Al2O3) exhibit higher strength and scratch resistance than traditional polymeric and thermoplastic materials.
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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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A Pockels cell driver is a high-voltage regulated power supply,
either pulse or continuous, allowing to control a birefringence of an
electro-optical crystal (KTP, KD*P, BBO, etc.) in order to drive the
polarization direction of the light propagating through the crystal.WISOPTIC has developed and produces a variety of Pockels cell drivers
for different applications: from very simple compact devices for
q-switching to precise and powerful fast models for pulse picking,
cavity damping, regenerative amplifier control, etc.
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Optical Lenses are designed to
focus or diverge light and for imaging or alignment in an optical
system. Optical Lenses, which may consist of a single or multiple
elements, have a variety of applications. Lens forms can be divided into
simple lenses (which include plano-convex lens, plano-concave lens,
double-convex lens, double-concave lens, cylinder lens, drum
lens, spherical lens in different shapes), achromatic lenses compound
lens and multiple types.
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Optical filters are used to selectively transmit or reject a wavelength or range of wavelengths. Their applications include fluorescence microscopy, spectroscopy, clinical chemistry, machine vision inspection, etc. Optical filters are widely used in light system of life science, imaging, industrial, or defense industries. For example, Bandpass interference filters are designed to transmit a portion of the spectrum, while rejecting all other wavelengths. Notch filters reject a portion of the spectrum, while transmitting all other wavelengths.
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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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Polarization is an important characteristic of light. Polarizers are key optical elements for controlling your polarization,
transmitting a desired polarization state while reflecting, absorbing or
deviating the rest. There is a wide variety of polarizer designs, each
with its own advantages and disadvantages.
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Optical filter is usually a component with a wavelength-dependent transmittance or reflectance. It's used to selectively transmit or reject a wavelength or range of wavelengths. Filters with particularly weak wavelength dependence of the transmittance are called neutral density filters. The general applications of optical filters include fluorescence microscopy, spectroscopy, clinical chemistry, machine vision inspection, etc. Bandpass interference filters are designed to transmit a portion of the spectrum, while rejecting all other wavelengths.
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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 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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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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E-O Q-switch based on DKDP (KD*P) crystals are one of the most popular Pockels cells in the market.Deuterated potassium dihydrogen phosphate has good transmission from
390 nm to 1400 nm (0.39 μm – 1.4 μm) and combined with high
electro-optical coefficients makes it suitable for Pockels cells.Highly deuterated DKDP
(D>99% – WISOPTIC) is necessary to reach effective electro-optical
response.
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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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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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Potassium Dihydrogen Phosphate (KDP) and Potassium Dideuterium Phosphate (KD*P, DKDP) crystals are among the most widley used nonlinear crystals. Both of these crystals are routinely used for the doubling, triplingand quadrupling of Nd:YAG lasers at room temperatures.
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Potassium dideuterium phosphate DKDP (KD * P) crystal has low optical loss, high extinction ratio, and excellent electro-optical performance. DKDP Pockels cells are made by using the longitudinal effect of DKDP crystals. The modulation effect is stable and the pulse width is small.
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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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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’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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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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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) 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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