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Crystal for air-cooled small lasers
■ More efficient than conventional Nd:YAG lasers, used in pulsed lasers and others. ■ Low threshold ■ High efficiency (better than Nd:YAG crystals) ■ Strong properties against UV irradiation ■ Good temperature stability ■ High quality ■ Used in various lasers (Q-switch, Mode lock, Cavity dump)
CTH:YAG crystal is an effective laser crystal for obtaining a wavelength of 2.1 μm.
■ Used in applications such as medicine, defense, and meteorology ■ High conversion efficiency ■ Flash lamp excitation and diode laser excitation ■ Operable at room temperature ■ Eye-safe wavelength range
◆Laser crystal for diode pump ◆High gain, high conversion efficiency ◆Wavelength tunable in combination with nonlinear optical crystals
- Characteristics similar to Nd:YVO4 One of the laser crystals for diode pumping. It is a laser crystal with characteristics close to Nd:YVO4, featuring high gain, high conversion efficiency, and high repetition. When used in combination with nonlinear optical crystals (LBO, BBO, KTP), it enables laser oscillation including harmonics. CASTECH is a leading company in photonics-related products, supplying high-quality optical and laser crystals for over 30 years. In recent years, we have been comprehensively proposing photonics-related products such as laser mirrors, lenses, prisms, and AO-related products.
◆Wavelength-tunable light source, widely recognized as a laser crystal for ultra-short pulse lasers ◆High-quality crystal that is scattering-free
A laser crystal widely recognized for use with wavelength-tunable light sources and ultra-short pulse lasers. It is compatible with large sizes (dia 30x30mm) thanks to CASTECH's proprietary TGT (Temperature Gradient Technique). (Due to its high gain, it is used in high-output type lasers.)
◆Crystal for 2.94μm wavelength laser ◆Medical and dental use
Crystal for 2.94μm wavelength laser This crystal is mainly used for medical and dental lasers. However, in recent years, it has also been used for research and development purposes focused on water absorption. Generally, there are many lasers available in the lineup with high power (over 1W). It is a crystal that is relatively easy to produce high power.
High gain, low threshold, and high conversion efficiency are the characteristics.
- Diode-pumped lasers have become commonly used. - By combining with nonlinear optical crystals (LBO, BBO, KTP), it is also possible to generate laser light from near-infrared to ultraviolet through wavelength conversion. - High gain - Low threshold - High conversion efficiency - Wide absorption bandwidth - The output laser light has polarization.
◆Laser crystal for diode pumps ◆High gain, high conversion efficiency ◆Wavelength tunable in combination with nonlinear optical crystals
Over 10,000 units supplied annually - Stock available in various sizes One of the most orthodox laser crystals for diode pumping. <High gain, high conversion efficiency, high repetition> It is commonly used in low to medium power lasers. When used in conjunction with nonlinear optical crystals (LBO, BBO, KTP), it enables laser oscillation including harmonics. ● Specifications [Supplied by CASTECH] Nd doping amount: 0.1-3% Tolerance of Nd doping amount: ± 0.05% (atm% < 1%), ± 0.1% (atm% ≧ 1%) Size: Φ20 x 40 mm³ (size and price are correlated, requires consideration) Common sizes: 3x3x0.5 mm³ to 4x4x30 mm³ Delivery time: approximately 4-5 weeks
◆Crystal growth using the Czochralski method ◆Thorough in-house management from crystal growth to rigorous shipping tests
CASTECH manufactures and sells Nd:YLF crystals (laser crystals for diode pumping). We conduct thorough in-house management from crystal growth using the Czochralski method to strict shipping tests, so we are confident in our quality. Please give it a try. CASTECH is a leading company in photonics-related products, supplying high-quality optical and laser crystals for over 30 years. In recent years, we have been comprehensively proposing photonics-related products such as laser mirrors, lenses, prisms, and AO-related products.
◆Crystal growth using the Czochralski method ◆High output, high slope efficiency ◆For research and development of ultra-single pulse, high output lasers
Cr:LiSAF crystals are often used for ultra-short pulse, high-power laser research and development applications. They are characterized by crystal growth using the Czochralski method and high output with high slope efficiency. Although they are not common crystals, we encourage customers involved in ultra-short pulse, high-power laser research and development to consider them.
◆Absorption band: 808nm (FWHM 12nm) ◆Emission wavelengths: 911nm, 1067nm, 1351nm
Nd:KGd(WO4)2 or Nd:KGW is an excellent material. It generates high output with a low laser threshold. Furthermore, the 808nm absorption band of Nd3+ in KGW, which has a FWHM of 12nm, is the same as the laser wavelength of current commercial laser diodes.
◆High-efficiency crystal for 2.1μm◆Widely used in environmental measurement fields◆High slope efficiency◆Pumped by flash lamp/diode◆Eye-safe
High-efficiency crystals for 2.1μm. This laser is widely used in applications such as surgery, dental medicine, and environmental measurement. This wavelength range is invisible and eye-safe, making it widely used for medical applications.
◆ Crystal developed for air-cooled, small lasers ◆ High efficiency compared to Nd:YAG ◆ Ideal crystal for air-cooled laser applications
- High efficiency, air-cooled, small-sized laser crystals - Low threshold - Strong properties against UV irradiation - Good temperature stability - High quality In double-doped Nd:Ce:YAG crystals, Cerium is chosen as a sensitizer for Nd3+ ions because of its strong absorption in the UV spectral region during flash lamp pumping and efficient energy transfer to the Nd3+ excited state.
◆Crystal for diode pump laser ◆Wide absorption band width and easy temperature control ◆Excellent lifetime
A major crystal for diode-pumped lasers, it has a wider absorption band width and is easier to stabilize in temperature compared to Nd:YAG crystals. Additionally, due to its large absorption, it requires less pump power, which also contributes to a longer lifespan as a laser. Please compare it with Nd:YAG.
Laser crystal
We are dedicated to the research and growth of optical crystals such as laser crystals, magneto-optical crystals, and substrate single crystals. Our main large YAG single crystal products include Nd:YAG, CTH:YAG, Er:YAG, Ho:YAG, and Yb:YAG. We also offer various special crystal rods, large high-concentration laser crystal slabs, and other special products such as crystal substrates.
