Laser Crystals & Components - Page 4 of 6

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LiNbO3 Crystals for EO Applications

Stable Physical and Chemical Properties: LiNbO3 crystals exhibit stable physical and chemical properties, making them reliable for use in various applications.

Wide Light Transmission Range: With a light transmission range of 0.3-5μm, LiNbO3 crystals are suitable for a broad spectrum of optical applications.

Large Electro-Optic Coefficients: LiNbO3 crystals have large electro-optic coefficients, making them ideal for use in electro-optic devices such as Pockels cells and optical modulators.

Low Half-Wave Voltage and Zero Residual Birefringences: LiNbO3 crystals offer the advantage of low half-wave voltage and zero residual birefringences, making them suitable for precise control of optical properties.

Applications: Surface Acoustic Wave (SAW) Filters, Electro-Optic Devices, Optical Parametric Oscillators (OPO), Difference-Frequency Generation (DFG) and Second Harmonic Generation (SHG), etc.

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LiTaO3 Crystals

LiTaO₃ is a crystal material with excellent electro-optic, piezoelectric, and nonlinear optical, and is often used in optical communication, electro-optic modulators, lasers, and surface acoustic wave devices.

Main advantages: Strong electro-optic effect, High piezoelectric coefficient, Good thermal stability, Wide transmission range

Application field: Optical Communication, Precision Sensing, Aser Technology, Medical Devices, Acoustic Surface Wave

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Low Order Waveplates

Low Order Design:

Offers improved optical characteristics over common multiple-order waveplates.

Generates the desired phase delay with a surplus of several full wavelength phase shifts.

Thinner and less dependent on wavelength, ambient temperature, and the angle of incidence.

Pricing:

Low Order Waveplates are more affordable than zero-order waveplates.

Suitable for large-scale and low-cost production requirements.

Versatile Options:

Available in Low Order Half Waveplates for rotation of the polarization plane.

Available in Low Order Quarter Waveplates for conversion between linear polarization and circular polarization.

Wide Spectral Range:

Quartz Low Order Waveplates can be used for UV to NWIR spectral ranges.

MgF2 Waveplates can be used for wavelengths up to the MWIR (maximum 7000nm) region.

High Damage Threshold:

Robust single waveplate structure with a high damage threshold greater than 500MW/cm^2.

Enhanced Surface Coatings:

Surfaces are coated with AR coatings for improved performance.

Configured with Black Anodized mountings for easy integration.

Applications: Optics and Photonics Research, Laser Systems, Optical Instrumentation, Telecommunications, etc.

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MgF2 Crystals

Wide Transmission Spectrum: 110 nm to 7500 nm.

Outstanding VUV Transmittance: Over 80% at 170 nm.

High Resistance: Excellent resistance to thermal and mechanical shocks, and optical radiation.

Chemical Stability: Immune to corrosion and deliquescence.

Large Birefringence: Suitable for waveplate fabrication.

Applications: Excimer Lasers, Thermal Imaging, Fiber Communication, Thin Film Growth, etc.

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MgO:LiNbO3 Crystals for EO Applications

Improved resistance to photodamage: The resistance of lithium niobate crystals with high doped MgO (concentration is usually greater than 5mol%) is significantly higher than that of pure LiNbO3 crystals, and can even be increased by two orders of magnitude. This enables MgO:LiNbO3 crystals to maintain stable performance and prolong service life under high-energy laser irradiation.

Reduced photorefractive effect: MgO doping helps to reduce the photorefractive effect of LiNbO3 crystals, i.e., optically induced refractive index changes. This effect is particularly pronounced under blue or green continuous light irradiation, but can be effectively suppressed by doping with MgO, thereby improving the performance stability of the crystal.

Maintain excellent nonlinear optical performance: MgO:LiNbO3 crystals have similar effective nonlinear coefficients to pure LiNbO3 crystals, which means that they perform well in nonlinear optical processes and are suitable for EO applications such as frequency conversion and optical parametric oscillation.

Applications: Q Switch, Phase Modulator, Electro-optic modulators, Optical Parametric Oscillators (OPOs) and Amplifiers (OPAs), Infrared Applications, etc.

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MgO:PPLN Crystals and Waveguides

High Conversion Efficiency: Achieved through the use of a quasi-phase-matching (QPM) phenomenon, utilizing the higher nonlinear coefficient (d33) compared to birefringent phase matching.

Wide Transparent Spectrum: Covers 0.4 to 5 μm.

Enhanced Damage Threshold: 5% MgO doping significantly improves the crystal’s damage threshold.

Convenient Temperature Environment: QPM allows for efficient operation without stringent temperature controls.

Absence of Spatial Walk-Off: Ensures stable and efficient non-linear interactions.

Low Possibility of Photorefractive Issues: Reduces the likelihood of adverse effects during high-power operations.

Applications: Second Harmonic Generation (SHG), Sum Frequency Generation (SFG), Difference Frequency Generation (DFG), Optical Parametric Amplification (OPA), Optical Parametric Oscillation (OPO), Optical Parametric Generation (OPG), etc.

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MgO:PPLN Waveguide Laser Modules

Compact Design: Small-size laser modules for easy integration into larger systems.

High Output Power: Delivers powerful laser output suitable for various applications.

Superb Conversion Efficiencies: Efficiently converts primary laser light into desired wavelengths.

Versatile Wavelength Outputs: Available in standard output wavelengths and customizable options.

Applications: Scientific Research, Medical Devices, Industrial Manufacturing, Laser Displays, etc.

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mGreen Modules

Efficient Frequency Conversion: The MgO crystal within the module converts the 1064nm Nd laser pumped by an 808nm laser diode to a 532nm green output through Second Harmonic Generation (SHG).Additionally, a 561nm laser output can be obtained from SHG of a 1122nm Nd laser.

Compact and Integrated Design: All elements, including the PPLN crystal and the Nd crystal, are assembled with a copper heat sink, ensuring efficient heat dissipation and stable performance.

High Output Power and Conversion Efficiency: The module is engineered for high power output and superior conversion efficiency, making it an indispensable component for advanced laser systems.

Versatile Applications: With its compact size and efficient performance, the mGreen module is suitable for various applications, including laser displays, medical devices, and scientific research.

Applications: Laser Displays, Medical Devices, Scientific Research, etc.

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Molybdenum (Mo) Mirrors for CO2 Lasers

Thermal Stability and Durability:

Lowest thermal expansion among commercial metals.

Withstands extreme temperatures without deformation or softening.

High Reflectance:

Naturally high reflectance (>98%) in the infrared (IR) spectrum.

Optimal for CO2 laser wavelengths (e.g., 10.6μm).

No Coating Required:

Due to high intrinsic reflectance, no additional coating is needed.

Simplifies manufacturing and maintenance processes.

Robust Construction:

High mechanical strength and chemical inertia.

Resistant to weld spatter, fumes, smoke, and debris in industrial environments.

Optical Performance:

Low absorption and scattering losses.

Maintains high IR reflectance (>98%@10.6μm) for efficient laser operation.

Ease of Maintenance:

Exceptionally scratch-resistant.

Can be cleaned with brushes and organic solvents without degradation.

Applications: CO2 Laser Systems, Industrial Laser Processing, Scientific and Research Applications, Medical Applications, etc.

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Nd:Ce:YAG Crystal

Main Advantages: High Efficiency, Broader Absorption Band, Reduced Thermal Effects, Higher Slope Efficiency, Reduced Sensitivity to Pump Wavelength Variations, Versatile Applications

Applications: High-Power Lasers, Medical Lasers, Scientific Research Laser, Pumping Laser, Rangefinding and LIDAR, Telecommunications Entertainment and Display

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Nd:YAG Crystal

Main Advantages: High Efficiency, Mechanical Robustness, Versatile Wavelength, Long Lifetime, Q-Switching Capability, Single-mode and Multi-mode Operation, Excellent Beam Quality

Application: Industrial Cutting and Welding Medical Lasers Scientific Research Laser Pumping Laser Marking and Engraving Laser Range Finding and LIDAR Entertainment and Display Defense and Security

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Nd:YLF Crystals

Neodymium-doped yttrium fluoride (Nd) crystal is a solid-state laser material that, due to its excellent optical and thermal properties is widely used in high-performance lasers, especially in medical and industrial applications.

Advantage:High efficiency, Excellent beam quality, Good thermal management, Multiavelength output, Strong chemical stability

Application field:Laser marking and engraving, Medical laser, Scientific research, LiDAR, Optical communication

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Nd:YVO4 Crystal

Main advantages: High Optical Gain, Excellent Thermal Stability, High Degree of Polarization, High Slope Efficiency, Wide Gain Bandwidth, Compact Design, Good Mechanical and Chemical Stability, Frequency Doubling Capability

Applications: Solid-State Lasers, Medical Lasers, Scientific Research, Frequency Conversion

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NOA61 Cemented Zero Order Waveplates

High accuracy: Due to the zero-level design, these waveplates are able to produce the expected phase delay precisely, avoiding the additional wavelength shifts that can occur with multi-stage waveplates.

High stability: Since the harmful phase delay generated by the first waveplate is compensated by the second waveplate, the zero-order waveplate is insensitive to changes in temperature and wavelength, and has higher stability.

High-Performance Adhesives: Glue with NOA61 adhesive, which offers excellent bond strength, high heat resistance, and excellent clarity to meet the needs of optical applications under a wide range of operating conditions.

Wide range of applications: suitable for a variety of optical systems, including nonlinear optical systems, optical time multiplexing systems, optical sensors, special interferometers, synchronous phase displacement phase shifters, etc.

Applications: Optical communication, Laser technology, Optical measurements, Scientific research, etc.

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Non-Polarizing Beamsplitter Cubes

Non-polarization sensitivity: Ability to handle beams in arbitrary polarization states without worrying about the impact of polarization changes on experimental results or system performance.

High transmittance: Well-designed non-polarizing beam splitters typically have high transmittance, which minimizes the loss of light energy.

Uniform light splitting: The incident beam can be evenly divided into two beams of similar energy to ensure the stability and reliability of the subsequent optical system.

Wide spectral range: suitable for a variety of wavelength beams to meet the needs of different application scenarios.

Low wavefront distortion: High-quality non-polarized beam splitters have low wavefront distortion, ensuring that the wavefront quality of the beam after passing through is not affected.

Applications: Interferometry, Laser processing, Optical imaging, Spectral analysis, Scientific research experiments, etc.

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Optical Calcite Crystals

Birefringence: High birefringence, which allows for the separation of light into two orthogonal polarization states.

Transmission Range: Wide spectral range from 200 nm to 2500 nm.

Applications: Polarizing Prisms, Beam-Divergent Elements, Laser Gates, Group Velocity Delay Compensators, etc.

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