Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
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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.
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
Cryslaser supplies Nd:YAG crystals using the Czochralski method.
- Rod-shaped for laser applications, as well as product supply in flat plate and wafer form are possible - High gain - Low threshold - High efficiency - Low loss (at 1.06um) - High thermal conductivity - Mechanical strength - High quality - Used in various lasers (CW, Q-switch, Mode lock, Cavity dump)
◆ 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.
It is used stably and well with a diode pump laser.
■Compared to Nd:YAG crystals, it has a wide absorption band width and is easy to achieve temperature stability, making it a very user-friendly crystal. ■Many users who want to extend the crystal's lifespan are using it. 【Points】 ■Minimal localized heating (below 11%) ■Good conversion efficiency ■Wide absorption band width (approximately 8nm @ 940nm) ■No excited-state absorption or upconversion ■Reliable pumping with GaAs diodes ■High thermal conductivity at 940nm and 970nm ■High quality
◆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.
Nonlinear optical crystals used in a wide range of fields.
These crystals are used for generating the second, third, and fourth harmonics of YAG lasers at room temperature. In addition to this, they are also used as electro-optic devices (modulators, Q-switches, etc.).
Cryslaser Corporation is growing Nd:YLF crystals using the Czochralski method.
■Wavelengths: 1053nm, 1047nm, 1313nm, 1324nm, 1370nm, etc. ■Advantages compared to Nd:YAG crystals when high pulse energy is required at a repetition frequency of 2kHz or lower ■High power ■Low beam divergence angle ■Single mode operation ■Lower thermal lensing effect than YAG ■Easier thermal processing
It is a nonlinear crystal optimal for generating the fourth and fifth harmonics of Nd:YAG.
It is the most anticipated crystal for the generation of the fourth and fifth harmonics of Nd:YAG lasers. It has high conversion efficiency and damage threshold, and is attracting attention as a component for laser light sources used in processing applications such as fine hole drilling. It is highly hygroscopic, making it impossible to use water during crystal processing. Additionally, humidity management is required both during processing and usage. In actual use, it is encapsulated in a high airtight package cell.
◆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 damage threshold◆No phase-matching critical point at room temperature◆Broad transmission range
- Ideal for SHG and SFG applications - SHG efficiency: >65% (pulse Nd:YAG) >45% (cw Nd:YAG) - Also ideal for use in oscillators (Optical Parametric Oscillators) and amplifiers (OPAs) MgO:LiNbO3 crystals are used in noncritical phase matching (NCPM) SHG of Nd-doped lasers.
LBO crystals are used for the generation of the second and third harmonics in lasers such as Nd:YAG, Nd:YLF, and Nd:YVO4.
■ Widely used in laser applications in the ultraviolet and visible regions ■ Broad transmission range of 160 to 2600 nm ■ High uniformity with low content ■ Used for applications such as second harmonic generation due to high nonlinear optical effects ■ High damage threshold ■ Minimal walk-off ■ Type 1, Type 2
◆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.
◆Major laser crystals◆High performance in various applications such as industry, medicine, defense, and scientific research◆Available in rod shape, as well as in flat plates and wafers.
- High gain, high efficiency, low loss, the most major laser crystal Proven performance in various applications such as industry, medical, defense, and physics. Available not only in rod form but also in plate and wafer forms. For generating 1064nm laser light, please start with this laser crystal. Information on the amount of Nd doping and size will be required.
