Nd:YVO4 offers superior absorption and emission features, making it the top choice for diode-pumped lasers in low to mid-power applications, including material processing, medical diagnostics, and laser printing. (read more)

CASTECH's high-precision photoelastic modulators offer wide wavelength coverage and fast polarization control, ideal for quantum sensing, spectroscopy, and polarization measurement across UV, visible, and infrared bands. (read more)

CASTECH's AOTF offers fast, accurate, and adjustable wavelength selection with high resolution, ideal for spectral polarization, hyperspectral imaging, and optical communication. A wide operating range (400–1450 nm) ensures versatile applications. (read more)

Compact, high-speed fiber-coupled acousto-optic modulators for precise amplitude and frequency modulation, ideal for fiber sensing systems, lasers, and advanced scientific applications. (read more)

CASTECH’s Super Mirrors provide exceptional reflectivity (>99.999%) and high laser damage thresholds. Perfect for demanding applications such as environmental monitoring, precision instruments, and aerospace navigation. (read more)

CASTECH’s Acousto-Optic Q-Switches offer high damage thresholds and rapid switching, ensuring precise control over laser pulse generation. Ideal for laser marking, medical procedures, and material processing applications. (read more)

CASTECH’s Acousto-Optic Deflectors (AODF) offer high-speed laser beam scanning with precise position control and versatility, ideal for laser displays, micromachining, and optical inspection. (read more)

CASTECH's Fiber-Coupled Acousto-Optic Modulators provide high-speed modulation with a rise time as low as 6 ns, offering easy integration, reliability, and customization for industrial, research, and quantum applications. (read more)

Yb:CaF2 is a ytterbium-doped calcium fluoride crystal, offering long fluorescence lifetime, broad absorption bands, and low nonlinear effects, making it ideal for high-power and diode-pumped laser applications. (read more)

CASTECH’s high-quality KTP crystals deliver exceptional performance for applications in SHG of Nd-doped lasers, SFG for blue and red light generation, OPO systems, and electro-optic devices. Available with customizable sizes, coatings, and technical support. (read more)

CASTECH’s GTR-KTP crystals deliver superior gray-track resistance, low absorption, and high damage thresholds, ideal for high-repetition rate and high-power laser applications, including SHG of 1064 nm and OPO systems. (read more)

CASTECH provides custom optical assemblies with advanced bonding methods, superior wavefront distortion control, and high laser damage thresholds. Ideal for high-power laser systems, precision imaging, and industrial applications. (read more)

Advanced acousto-optic deflectors (AODFs) for high-speed, solid-state light beam scanning, offering precise control, high scan rates, and broad applications in micromachining, laser displays, and optical inspection. (read more)

CASTECH Photoelastic Modulators (PEMs) enable precise polarization control for advanced applications in quantum sensing, spectroscopy, and astronomy, offering high modulation frequency and broad wavelength range. (read more)

CASTECH’s high reflectivity mirrors, designed for advanced laser systems, offer exceptional performance with a reflectivity of over 99.999%. These mirrors are built for demanding applications requiring high laser damage thresholds and minimal optical loss, ensuring superior accuracy and reliability. (read more)

High-precision aspherical lenses engineered for superior optical performance. Customizable in material, size, and coatings, they ensure minimal surface deviations, high laser damage thresholds, and rigorous quality control. (read more)

CASTECH’s high-speed fiber-coupled acousto-optic modulators (FAOM) offer rapid light modulation with a rise time of 6 ns and a frequency range up to 300 MHz. Designed for fiber lasers, sensing, and quantum applications, they ensure easy integration, high reliability, and efficient operation. (read more)

Achieve high-speed, precise laser beam scanning with Acousto-Optic Deflectors (AODFs) designed for applications in laser displays, micromachining, and optical inspection. (read more)

CASTECH's AOTFs offer fast, precise wavelength selection for applications in hyperspectral imaging, optical communication, and laser tuning, with excellent resolution and customizable features. (read more)

CASTECH's KTP crystals are ideal for SHG, SFG, OPO, and electro-optic applications. They feature high efficiency, broad bandwidth, and excellent thermal stability, making them perfect for lasers, LiDAR, and optical communication. (read more)

CASTECH’s Yb:KGW offers high-efficiency laser gain with broad emission (1023-1060 nm), ideal for short-pulse lasers. It features high absorption at 980 nm and excellent diode-pumping efficiency. (read more)

CASTECH’s Photoelastic Modulators (PEMs) provide precise phase modulation for dynamic polarization control. Ideal for quantum sensing, spectroscopy, and high-speed optical applications, offering a wide wavelength range and customization options. (read more)

Yb:CALGO is a high-performance laser material with an ultra-low quantum defect of 1.5%, broad emission spectra, and high thermal conductivity, ideal for high-power, ultra-fast pulse laser applications. (read more)

CASTECH's high-speed acousto-optic modulators offer precise laser intensity control, with up to 300 MHz frequency and 6 ns rise/fall times. Ideal for laser marking, photolithography, and medical applications. (read more)

KDP and DKDP are widely-used NLO crystals for Nd:YAG laser frequency conversion and electro-optic modulation. Known for high damage thresholds and excellent UV transmission, they are essential for various laser applications. (read more)

CASTECH’s CNC precision-polished aspherical lenses are expertly designed to reduce spherical aberration, ideal for applications requiring single-element solutions. Available with custom dimensions and advanced AR coatings. (read more)

CASTECH’s AOFS provides precise frequency shifts from 20 to 300 MHz, utilizing high-performance materials and customizable specifications. Ideal for laser cooling, interferometry, and advanced optical applications. (read more)

Nd:YVO4 crystals offer unmatched efficiency for diode-pumped lasers, ideal for machining, spectroscopy, and medical diagnostics. Their superior absorption and emission characteristics make them a versatile choice for professionals. (read more)

CASTECH's custom CNC-polished aspherical lenses deliver superior optical performance, minimal aberration, and high laser damage thresholds, ideal for imaging, lasers, medical devices, and advanced consumer electronics. (read more)

High-performance MgO:LiNbO3 crystals for NCPM SHG, SFG, OPO, OPA, and integrated waveguides. Features superior damage threshold, broad transparency, and excellent NLO properties. (read more)

RTP crystals offer exceptional damage threshold, high resistivity, and broad IR/Visible transmission, ideal for nonlinear and electro-optical devices in demanding industrial and research applications. (read more)

Yb:YAG offers superior diode-pumping efficiency, lower thermal loading, and high optical quality, ideal for laser systems requiring high performance and reliability. (read more)

Wide transmission range, high SHG efficiency, and superior laser conversion capabilities for advanced laser and OPO applications. (read more)

Advanced Laser Gain Material for High-Power and Ultra-Fast Pulses (read more)

Optimize laser performance with our high-damage-threshold Acousto-Optic Q-Switches, delivering rapid switching, enhanced stability, and broad wavelength coverage for industrial and medical applications. (read more)

Acousto-optic frequency shifters (AOFS) provide precise frequency conversion for laser systems, ideal for interferometry, laser cooling, and velocity measurement applications. Customizable solutions with high-quality materials. (read more)

CASTECH delivers high-quality optical assemblies, utilizing advanced design and testing capabilities to ensure exceptional performance across various applications. (read more)

Yb:KGW is an advanced ytterbium-doped potassium gadolinium tungstate laser material with a broad emission range, high absorption efficiency, and excellent diode pumping performance. Ideal for short pulse lasers in high-power applications. (read more)

CASTECH provides high-precision optical assemblies for high-power laser systems, offering customizable glass-glass and glass-metal components, advanced bonding techniques, and exceptional wavefront accuracy. (read more)

Yb:KGW is a high-performance laser gain material with a wide absorption spectrum at 980 nm and broad emission at 1023-1060 nm, ideal for short-pulse lasers and diode-pumped systems. (read more)

Experience precision modulation with our efficient 200 MHz fiber-coupled acousto-optic modulator (FCAOM), designed for superior performance. (read more)

Yb: CaF² laser crystal offers long fluorescence lifetime, broad absorption/emission bands, and limited nonlinear effects, ideal for ultra-short pulse and high-power laser applications. (read more)

CASTECH’s Acousto-Optic Modulators (AOM) enable precise intensity modulation of lasers outside the cavity, with modulation frequencies up to 300 MHz and rise/fall times as low as 6 ns. (read more)

Enhance laser system performance with CASTECH's Acousto-Optic Multi-Channel Modulators, designed for independent control of multi-beam or collimated light. Suitable for applications like laser printing, micromachining, and material processing. (read more)

Compact, high-performance AOFS with customizable frequency shifts for interferometry, laser cooling, and optical detection. (read more)

Solid-state, electronically addressable acousto-optic tunable filters (AOTFs) offering precise, fast wavelength selection for spectral polarization, hyperspectral imaging, optical communication, and more. (read more)

High-performance acousto-optic modulators (AOMs) for precise intensity modulation of lasers, offering fast rise/fall times and customizable solutions for laser marking, photolithography, medical procedures, and material processing. (read more)

Description

CASTECH offers two standard dielectric broadband coatings . Other coatings are available upon request.

• High quality ,excellent value
• Broaband dielectric coatings
• Hight damage threshrod