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Acousto Optic & Electro Optic & Non Linear components

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 » Acousto OpticsGooch & Housego has been a leader in acousto-optic (AO) device design and manufacturing for over 35 years, bringing together some of the best minds and technologies in the field to create a comprehensive line of high-quality products backed by premier service and reliability.

It hold multiple worldwide manufacturing sites to exacting standards, from the in-house growth of our own tellurium dioxide (TeO2) to polishing, antireflection coating, fabrication and testing of devices. The result is unmatched optical power handling, and optical performance delivered consistently over time and in volume. 

» Electro Optics
A Pockels cell alters the polarization state of light passing through it when an applied voltage induces birefringence changes in an electro-optic crystal such as KD*P and BBO. When used in conjunction with polarizers, these cells can function as optical switches, or laser Q-switches. Frequently, laser cavities incorporate Q-switches to shorten the output pulse, resulting in a light beam with enhanced peak intensity. 

» KTP 
(Potassium Titanyle Phosphate – KTiOPO4)Efficiency, high damage threshold and handling easiness makes it one of the most widely preferred crystal for laser applications ,main applications are Second Harmonic Generation (SHG) in the visible and Optical Parametric Oscillations (OPO) for the tunable near infrared spectrum range.
» KTP.fr
It is well known that most of flux-grown KTP crystals suffer from blackening and efficiency breakdown (“grey-track”) when used during SHG process of 1064nm at high average power levels and repetition rates above 1 kHz.
» Neodymium Doped Yttrium Aluminum Garnet 
(Nd:YAG ) Crystal Nd:YAG is the earliest and most famous laser host crystal. Since it combines great advantages in many basic properties, Nd:YAG is the ubiquitous presence for near-infrared solid-state lasers and their frequency-doubler, tripler, and higher order multiplier.
» Doped Sapphire Crystal 
(Ti:Sapphire) Titanium doped Sapphire (Ti:Sapphire) is the most widely used laser crystal for widely tunable and ultrashort pulsed lasers with high gain and high power outputs.  Er:YAG is an excellent laser crystal which lases at 2.94 μm.

» KTA

(Potassium Titanyle Arsenate – KTiOAsO4) is an excellent optical non-linear crystal mainly developed for Optical Parametric Oscillation(OPO).
» RTP
(Rubidium Titanyle Phosphate – RbTiOPO4) is a material now widely used for Electro Optical applications whenever switching voltages are required to be low.
» LBO
(LiB3O5) is now the most popularly used material for Second Harmonic Generation (SHG) of 1064nm high power lasers (as a substitute to KTP) and Sum Frequency Generation (SFG) of 1064nm laser source to achieve UV light at 355nm.
» BBO
(Beta-B2O4) has been used for years in non-linear optics (mainly for scientific applications) and electro-optics, due to its excellent damage threshold, outstanding bulk homogeneity and transmission in the UV for wavelenghts up to 200nm.
» Terbium Gallium Garnet
(TGG) Crystal TGG is an excellent magneto-optical crystal used in various Faraday devices (Rotator and Isolator) in the range of 400nm-1100nm, excluding 475-500nm.
» LiNbO3
Crystal is widely used as frequency doublers for wavelength > 1μm and optical parametric oscillators (OPOs) pumped at 1064 nm and quasi-phase-matched (QPM) devices.
» Neodymium Doped Yttrium Orthovanadate
(Nd:YVO4) Nd:YVO4 is the most efficient laser host crystal for  diode pumping among the current commercial laser crystals, especially, for low to middle power density.
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