The Aperture and its Effects - Exposure Therapy - aperature

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Quantum well

Nonlinear crystals of either β-barium borate (BBO) or lithium triborate (LBO) are used for frequency conversion of laser sources. BBO crystals feature thicknesses from 0.2 mm to 0.5 mm to minimize group velocity mismatch and are ideal for frequency doubling or tripling of Ti:sapphire and Yb:doped laser pulses. The critical and noncritical phase matching LBO crystals are ideal for second or third harmonic generation of Nd:YAG and Yb:doped lasers.

Aspheric lenses feature more intricate profiles with changing curvatures from center to edge that enable more precise focusing and less distortion.

Most of the standard nonlinear crystals like BBO, LBO, BiBO or KTP for frequency doubling, tripling and quadrupling of the fundamental laser radiation are available from stock. Customer-specific dimensions and AR coatings are also offered at competitive prices.

量子级联激光器

HC Photonics (HCP) provides various high efficiency nonlinear crystals to enable full-spectrum applications, including periodically poled lithium niobate (pp-LiNbO3, PPLN) and periodically poled lithium tantalate (LiTaO3)/PPLT.

GWU-Lasertechnik offers all standard nonlinear crystals like LBO, BBO and KTP with a broad variety of specifications. Beside the well-established materials, innovative crystals like CLBO or BiBO with outstanding properties for e. g. deep-UV generation or high-power ultrashort pulse lasers are available. No matter if individual pieces for R & D purposes are required or cost-efficient numbers in small, medium or large batches with in-time delivery for the production line are needed: GWU’s dedicated service helps to find the best core components for your application. GWU-Lasertechnik has more than 30 years of experience in distributing laser crystals. Choose GWU to benefit from our wide knowledge and in-field experience!

Our crystals are used in a wide range of applications, including various kinds of nonlinear frequency conversion and electro-optics, but also quantum technology.

EKSMA Optics offers a complete portfolio of nonlinear optical crystals: BBO, LBO, KTP, KDP, DKDP, LiIO3, LiNbO3, MgO:LiNbO3, AGS, AGSe, ZGP, GaSe, CdSe from stock or manufactured according to customers specifications or for specific applications.

Optogama supplies different types of nonlinear crystals for fundamental, applied research and industrial applications: BBO, LBO, KTP, KDP, DKDP, LiNbO3, AGaSe2, AGaS2, ZGeP2, GaSe, CdSe. The crystals are used for harmonic generation, sum and difference frequency mixing, optical parametric oscillators and amplifiers, electro-optical modulation and Q-switching, terahertz generation and terahertz detectors, as well as for characterization of ultrashort laser pulses by FROG, XFROG, SPIDER, dispersion scan, and chirp scan methods.

Periodic poling allows for quasi phase matching, which maintains phase relation of the photons throughout the crystal where they would otherwise fall out of phase. This engineered effect leads to a much higher conversion efficiency than would be found in the regular crystal.

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Quantum dot laser

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Periodically poled lithium niobate: magnesium-doped PPLN is ideal for innovative laser applications due to its high effective nonlinear coefficient; allowing for high efficiency frequency conversion across multiple different mechanisms.

Nonlinear crystal materials are used in various frequency conversion applications, such as second harmonic generation (SHG), sum and difference frequency generation (SFG and DFG), optical parametric generation and amplification (OPA and OPO). These materials also generate terahertz radiation pulses through optical rectification.

Artifex Engineering provides finished crystal optics for non-linear applications. Visit our product page for more information. We look forward to your inquiry.

88 suppliers for nonlinear crystal materials are listed in the RP Photonics Buyer's Guide, out of which 11 present their product descriptions. Both manufacturers and distributors can be registered.

Folding Pocket Magnifiers. Eschenbach pocket magnifiers are compact, lightweight magnifiers that can be taken with you anywhere. These types ...

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Semiconductor laser

Qclscientific

Nonlinear crystals with 20-10 surface quality and λ/10 (LBO) or λ/8 (BBO) surface flatness provide the broad transparency range and large nonlinear coefficient needed for the harmonic generation of fundamental laser frequencies. Each crystal features a protective anti-reflection (AR) coating that minimizes reflection and limits fogging from ambient conditions.

Readily available stock crystals and waveguides can be provided on short timescales to rapidly meet your application needs, providing the capability to generate laser light in a wide range of wavelengths.

Shalom EO offers a vast variety of nonlinear crystals: BBO, KDP and KD*P, LBO, KTP, HGTR KTP, KTA, BIBO, LiIO3, LiNbO3, MgO:LiNbO3, RTP, ultra-thin BBO, LBO crystals and infrared nonlinear crystals ZnGeP2 (ZGP).

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Covesion is a world leader in the design and manufacture of periodically poled lithium niobate for non-linear frequency conversion. MgO:PPLN crystals are available for high efficiency SHG, DFG, SFG and OPO interactions. Wavelength generation coverage runs from visible to mid-IR.

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Quantum cascade laser

Our products are excellent for applications ranging from frequency conversion to short-pulse generation. They are used for harmonic generation (SHG, THG, 4HG, 5HG), sum and difference frequency generation (SFG, DFG), for optical parametric oscillators (OPOs) and optical parametric amplifiers (OPAs). Note that for all the products listed above, off-the-shelf and customized products are optional to our customers.

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QCLlaser

Artifex Engineering provides finished crystal optics for non-linear applications. Visit our product page for more information. We look forward to your inquiry.

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After more than 25 years of continuous and increasing investment in research and development, the quantum cascade laser (QCL) is now revolutionizing a multitude of applications which aim to address major global challenges, from climate change to the cost of health care, to the pollution of our atmosphere and oceans, to the protection of our soldiers and first-responders. This chapter provides an insider’s perspective and historical context to the present and rapid trajectory in widespread QCL deployment across multiple applications and markets which has been building over the past two decades and will likely continue to benefit our quality of life and standard of living over the next hundred years.

Our crystals are used in a wide range of applications, including various kinds of nonlinear frequency conversion and electro-optics, but also quantum technology.

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Some aspects to consider before buying nonlinear crystal materials: wavelength range with good transparency, nonlinear coefficient, phase matching parameters (angle, angular acceptance range, temperature acceptance range, walk-off angle), thermal stability, durability, laser damage threshold, material quality.

The MVC-20X microscope objective has a 20x magnification, 0.4 numerical aperture, and 8.72 mm working distance. It uses a standard RMS thread, 0.800-36.

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