Laser Crystals & Components - Page 3 of 6

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Glan Thompson Polarizers

Large Acceptance Angle: Due to their large aspect ratio, Glan Thompson Optical Polarizers have a large acceptance angle and are suitable for both divergent and focused light sources.

High polarization purity: Capable of providing polarization purity up to 20,000:1.

Wide spectral range: Suitable for applications in a wide spectral range.

Durability: Able to perform well in medium-power applications due to its design and materials.

Applications: Optical experiments, Laser Systems, Optical imaging, Spectroscopy, etc.

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Group Velocity Delay Compensators

Precision Control:

Adjustable Delay: Allows for precise control of the group velocity delay by adjusting the angle of incidence, accommodating various laser systems and applications.

High Performance:

Minimal Pulse Distortion: Compensates for temporal dispersion, preserving the shape and duration of femtosecond pulses.

Enhanced Accuracy: Supports high-resolution measurements and processing tasks by maintaining pulse integrity.

Versatility:

Multiple Wavelengths: Available for a range of standard and custom wavelengths, making them suitable for diverse applications.

Material Options: Offered in materials like Calcite and Alpha-BBO, catering to different power and performance requirements.

Durability and Quality:

High Damage Threshold: Suitable for high-power applications due to robust material properties.

Precision Manufacturing: Features high-quality substrates with minimal surface imperfections, ensuring reliable and consistent performance.

Ease of Integration:

Compact Design: Small and easily integrated into existing laser systems without significant modifications.

Customizable: Tailored solutions available to meet specific application needs, enhancing flexibility and user convenience.

Applications: Femtosecond Lasers, Ultrafast Spectroscopy, Nonlinear Optics, Microscopy, Telecommunications, etc.

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HGTR KTP Crystals

Enhanced Gray Track Resistance: HGTR KTP crystals exhibit significantly higher gray track resistance compared to regular flux-grown or hydrothermally grown KTP crystals. This makes them ideal for high-power applications where gray track damage could otherwise cause serious interruptions.

Optimized for High-Power Laser Systems: The crystals are optimized for use in high-power laser systems, providing efficient conversion and durability. They demonstrate no detrimental absorption for high repetition/high power SHG at 1064nm or OPO applications pumped by a 532nm light source.

Elevated Overall Performance: HGTR KTP crystals offer elevated overall performance compared to regular flux-grown KTP crystals. They provide a reliable and durable solution for demanding applications, ensuring consistent performance and minimal damage over time

Applications: Laser Technology and Photonics, Scientific Research, Medical Applications, etc.

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HGTR-KTP Crystals for EO Applications

High anti-grey stain performance: HGTR-KTP crystals have up to 5 to 10 times more resistant to ash stains than KTP crystals grown by ordinary molten salt method by using advanced process methods such as unique flux and heat treatment technology. Once the gray stain is formed, it will absorb a large amount of light energy from the propagating beam, resulting in problems such as device heating, reduced frequency doubling efficiency, and reduced laser output power. The high anti-gray properties of HGTR-KTP crystals enable them to be used stably for long-term and stable application in the frequency conversion of high-power lasers.

High optical quality: The HGTR-KTP crystal has high transmittance and low absorption coefficient, with extremely low absorption coefficient at 1064 nm and 532 nm wavelengths, ensuring high optical quality. At the same time, its optical uniformity and parallelism have also reached a high level, which is suitable for making high-precision electro-optical modulators and other EO devices.

High Damage Threshold: HGTR-KTP crystals have a high laser damage threshold and are able to withstand high power density laser irradiation without damage. This makes it promising for a wide range of applications in high-power laser systems.

Excellent thermal and mechanical properties: HGTR-KTP crystals have high thermal conductivity and good mechanical stability, and can maintain stable performance in high temperature and high stress environments. This is especially important for making EO devices that operate in high-temperature environments.

Wide range of applications: Due to its excellent performance, HGTR-KTP crystals are widely used in laser frequency doubling, sum frequency, differential frequency, parametric oscillation, optical waveguide devices, electro-optical modulators and other EO applications. These applications cover a wide range of fields, including military scientific research, medical, ocean insight, laser weapons, and environmental remote sensing monitoring.

Applications: Electro-optical modulator, Laser frequency multiplier, etc.

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High Power Laser Polarizing Beamsplitter Cube

Material Options: Corning C7980-0F and BK7

Standard Wavelengths: 355nm, 515nm, 535nm, 808nm, 1030nm, and 1064nm

Custom Broadband Versions: Available between 700-900nm

Multi-Layer Dielectric Coating: Positioned at the interface of the two prism parts

Anti-Reflection Coating: Applied to the four faces where light enters and exits to mitigate reflection loss

Extinction Ratio: Standard 1000:1, customizable up to 10000:1

Adhesive-Free Optical Contact: Ensures high precision and minimizes wavefront distortion

High Damage Threshold: Exceptional LIDT of >15J/cm2@1064nm, 20ns, 20Hz

Reduced Thermal Absorption and Scattering Loss: Due to the high-precision polished interfaces and optical contact architecture.

Applications: Laser processing and manufacturing, Scientific research, Optical Communications, Medical & Biotechnology, Industrial testing and measurement, etc.

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High Precision Thin N-BK7, UV Fused Silica Windows

Double Surface Polishing Method:

Polishes both surfaces in one go.

Eliminates stress-release issues caused by bonding and detachment from pitch plates.

Significantly reduces surface flatness variations.

Outstanding Functionality:

Surface quality of 10/5 Scratch/Dig.

Parallelism of 10 arcseconds.

Minimum thickness down to 0.03mm.

Diameter down to 0.5mm.

Materials:

BK7: Suitable for visible to IR spectrum (350-2000nm).

UV Fused Silica: Ideal for UV wavelengths due to low absorption.

Quartz Crystals: Available for various applications.

Superior Optical and Mechanical Properties:

High mechanical strength and thermal stability.

Suitable for operation under diverse conditions.

Applications: Femtosecond Lasers, Spectroscopy, Optical Coherence Tomography (OCT), Laser Optics, Scientific Research, etc.

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KTA Crystals

Impressive Nonlinear Optical Properties: KTA Crystal has impressive nonlinear optical coefficients, making it highly efficient for nonlinear optical processes such as OPO.

Low Absorption in the 2.0-5.0 µm Region: The crystal exhibits minute absorption in the 2.0-5.0 µm wavelength region, allowing for efficient transmission of light in this spectral range.

Broad Angular and Temperature Bandwidth: KTA Crystal offers a broad angular and temperature bandwidth, providing stable performance over a wide range of operating conditions.

Low Dielectric Constants: The low dielectric constants of KTA Crystal make it suitable for applications requiring low electrical losses.

High Damage Threshold: Compared to KTP crystals, KTA crystals have a higher damage threshold due to their low ionic conductivities, making them more resistant to laser-induced damage.

Lower Absorption in the 3-4μm Wavelength Range: KTA Crystal exhibits lower absorption in the 3-4μm wavelength range compared to KTP, resulting in improved performance in applications within this spectral range.

Applications: Optical waveguide modulator, Scientific research, Industrial applications, etc.

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KTP Crystals

High Non-linear Coefficient: KTP crystals exhibit a high non-linear coefficient, making them ideal for nonlinear optical applications.

High Damage Threshold: These crystals have a high damage threshold, allowing them to withstand high-intensity laser beams without degradation.

Wide Acceptance Angle: KTP crystals offer a wide acceptance angle, enabling efficient coupling of laser beams.

Temperature-Stable Phase-Matching: The crystals exhibit substantial temperature-stable phase-matching characteristics, ensuring consistent performance across varying temperature conditions.

Non-Hygroscopicity: KTP crystals are non-hygroscopic, meaning they do not absorb moisture, which enhances their long-term stability and reliability.

Excellent Transmission in Visible and Near-IR Range: These crystals demonstrate excellent transmission in the visible and near-infrared wavelength range, making them suitable for a wide range of optical applications.

Applications: Second Harmonic Generation (SHG) of Nd:YAG Lasers, OPO/OPA/OPG, Electro-Optical Devices, etc.

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LBO Crystals

High Damage Threshold: LBO crystals have the highest damage threshold of all commonly used inorganic nonlinear optical crystals. For example, under a 1053nm laser with a pulse duration of 1.3 ns, the damage threshold can reach 18.9 GW/cm² . This property makes LBO crystals particularly suitable for high-power laser systems, where they can withstand higher laser energies without damage.

Wide Transmission Band: LBO crystals have a very wide optical transmission range, from the deep ultraviolet band (about 160 nm) to the infrared band (about 2600 nm) . This feature enables LBO crystals to be suitable for a wide range of wavelength laser systems to meet the needs of different fields.

High Optical Uniformity: The LBO crystal has good optical uniformity and no internal envelope, which helps to ensure the quality of the laser beam and reduce beam distortion and defocus. Its optical uniformity can reach δN≈10-6/cm

Larger effective nonlinearity coefficients: The effective SHG coefficient of LBO crystals is larger, about three times that of KDP crystals . This means that under the same conditions, the LBO crystal is able to achieve frequency conversion more efficiently and output higher power lasers.

Wide angle reception with small walk-out angle: LBO crystals have a wide reception angle and a small walk-away angle, which makes it easier to achieve phase matching and improve frequency conversion efficiency in nonlinear optical processes.

Thermal Stability: LBO crystals are known for their excellent thermal stability, being able to withstand large amounts of heat when processing high-power lasers without causing any significant loss of performance.

Applications: High Power Laser Systems, Nonlinear Optical Processes, Ultraviolet and deep ultraviolet lasers, etc.

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LGN Crystals

Simple description：

The lanthanum gallium niobium oxide (LGN, La3Ga5.5Nb0.5O14) crystal is a novel inorganic non-metal material with unique physical and chemical properties. It belongs to the trigonal crystal system and possesses a non-centrosymmetric crystal structure, which enables it to exhibit excellent performance in piezoelectric, electro-optic, and nonlinear optical applications.

Advantages：High Thermal Stability and Mechanical Strength, Excellent Piezoelectric Properties, Good Electro-optic Properties, Wide Transmission Band, Superior Nonlinear Optical Properties

Application fields：Piezoelectric Applications, Electro-optic Applications, Nonlinear Optical Applications

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LGS Crystals

Simple description：

The chemical formula of lanthanum gallium silicate is La3Ga5SiO14, and its crystal structure is trigonal. has a high density (about 5.75g/cm³, some data is 5.754g/cm³), a high melting point1470℃), and a high Mohs hardness (about 6.5, some data is 6.6). These physical properties make lanum gallium silicate exhibit good stability and durability in various application environments.

Advantages：High Thermal Stability, Low Thermal Expansion Coefficient, High Damage Threshold, Excellent Electro-optic Performance, Good Piezoelectric Properties, Good Chemical and Physical Stability, Customizable

Application fields：Electro-optic Q-switch, Surface Acoustic Wave (SAW) Devices, Bulk Acoustic Wave (BAW) Devices, High-power all-solid-state laser, High-temperature sensors

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LGT Crystals

Simple description：

Langatate (LGT), with the chemical formula of La3Ga5.5Ta0.5O14, is a novel non-ferroelectric piezoelectric crystal that exhibits a range of unique physical and chemical properties.

Advantages：High Electromechanical Coupling Factor, Phase Stability, High Resistivity, Excellent Piezoelectric Properties, Good Optical Properties, Ease of Preparation

Application fields：Intermediate Frequency Filters, High-Temperature Sensors, Surface Acoustic Wave (SAW) Devices, Acoustic Resonators, Piezoelectric Sensors, Nonlinear Optical Devices

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LiIO3 Crystals

High Nonlinear Optical Coefficient: LiIO3 crystals exhibit a high nonlinear optical coefficient, approximately 14 times that of quartz and an order of magnitude higher than KDP crystals. This makes them exceptional for nonlinear optical applications such as frequency doubling and parametric oscillation.

Broad Transparency Range: The crystal’s transparency range is wide, spanning from 280nm to 4000nm, covering most of the ultraviolet to mid-infrared spectral regions. This provides possibilities for its use in various optical systems.

Wide Phase-Matching Range: LiIO3 crystals offer a broad phase-matching range, enabling effective nonlinear optical conversion at multiple wavelengths.

Good Thermal Stability: Compared to some other nonlinear optical materials, LiIO3 crystals exhibit better thermal stability. This means their performance remains stable in environments with significant temperature variations.

Resistance to Optical Damage: Compared to certain other nonlinear optical crystals, LiIO3 crystals are less prone to optical damage. Optical damage can affect material performance and lifespan, and this characteristic of LiIO3 crystals results in a longer lifespan and more consistent performance.

Cost-Effective:Compared to other materials that may offer similar electro-optic properties, LiIO3 crystals are relatively inexpensive. This makes them more attractive for cost-sensitive applications.

Applications: Nonlinear Optical Applications, Electro-Optic Modulators, Laser Technology, Ultrasonic Transducers, Other Applications, etc.

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LiNbO3 and MgO:LiNbO3 Crystals

LiNbO3 Crystals:

Excellent medium for second harmonic generation (SHG) at wavelengths exceeding 1µm.

Suitable for optical parametric oscillation (OPO), optical parametric amplifiers (OPA), and tunable infrared output generation through difference frequency mixing (DFM).

Broad spectral transmission range of 0.3-5.2 microns, spanning visible to MWIR wavelengths.

High laser-induced damage threshold, suitable for high-power applications.

Large nonlinearities allow for higher effective nonlinear coefficients (deff) at lower power intensities.

MgO:LiNbO3 Crystals:

Higher optical damage threshold compared to LiNbO3 crystals, making them ideal for high-power applications.

Less prone to photorefractive damage, alleviating issues in frequency conversion.

Exhibits particular advantages for non-critical phase-matched (NCPM) second harmonic generation/doubling frequencies (SHG) at room temperature and sum-frequency generation (SFG).

Applications: Nonlinear Optics, High-Power Applications, Optical Processing, etc.

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LiNbO3 and MgO:LiNbO3 Pockels Cells

Electro-Optic Characteristics: Large electro-optic coefficients make these crystals ideal for Q-switches and phase modulators.

Non-Deliquescence: Maintains stability in different environments.

Transmission Range: Good transmission up to 4.0 µm.

Low Half Wave Voltage: Operates efficiently at lower voltages in the transverse mode compared to KD*P Pockels cells.

High Damage Threshold: Especially when doped with MgO, increasing resistance to damage.

Applications: Electro-Optical Modulators, Q-Switches, Phase Modulators, Pockels Cells, etc.

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LiNbO3 Crystals

Wide Transmission Spectrum: 350 nm to 5200 nm.

Birefringence: Due to its non-centrosymmetric crystal structure, allowing the splitting of incident light into two orthogonal polarization states.

Excellent Optical Properties: Low optical absorption and high damage threshold.

Piezoelectric and Electro-optic Properties: Ideal for various technological applications.

Low Production Cost: Economically feasible for large-scale manufacturing.

Applications: Polarizing Optics, Fiber Communication, Nonlinear Optics, Electro-optic Devices, etc.

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