Advanced Crystal Manufacturing | Precision Optical Crystals

Crystal Growth Methods

Diverse techniques for producing high-quality laser crystals

Czochralski Method (CZ)

Doped YAG crystals: Nd:YAG, Yb:YAG, Er:YAG
Doped LiYF₄ crystals: High-performance laser materials
Nd:YVO₄ crystals: Low lasing threshold materials
Co:Spinel crystals: Widely tunable laser material

The Czochralski method is ideal for producing high-quality laser crystals with precise dopant concentrations for applications in medical lasers, industrial cutting, and scientific research.

Flux Method

BBO nonlinear crystals: Beta Barium Borate for SHG
LBO nonlinear crystals: Lithium Triborate with low absorption
CLBO nonlinear crystals: Cesium Lithium Borate for UV

Our flux growth method produces superior nonlinear optical crystals for frequency conversion applications in ultrafast lasers, spectroscopy, and quantum optics research.

Heat Exchange Method (HEM)

Ti:Sapphire crystals: Broadband tunable laser material
Ruby crystals: Solid-state laser material
Fluoride laser crystals: For IR applications
Other laser crystals: Custom materials for specific needs

HEM enables the production of large, high-quality Ti:Sapphire crystals with exceptional homogeneity for broadband tunable lasers and ultrafast amplifier systems.

Bridgman Method

ZnGeP₂ (ZGP) crystals: For mid-IR applications
MgF₂ crystals: Transparent IR material
CeF₃ crystals: Scintillator material
LiF crystals: UV transmissive material
Other crystals: Tailored to application requirements

The Bridgman-Stockbarger technique produces mid-infrared crystals with excellent transmission properties for military countermeasures, remote sensing, and medical diagnostics.

Precision Polishing Services

State-of-the-art polishing facilities ensuring crystal quality

Polishing Workshop

Our polishing workshop is equipped with state-of-the-art grinding and polishing equipment, ensuring crystal quality that meets the most demanding customer requirements.

Ring Polishers (KD24BX)

4 precision ring polishing machines for high surface figure accuracy

Surface flatness: λ/10 @ 632.8nm

4-Axis Grinding/Polishing

Capable of processing materials up to φ75mm

Ideal for complex geometries and aspheric surfaces

2-Axis Grinding/Polishing (JP40.2B)

Three machines handling materials up to φ180mm

Specialized for large optics used in high-power laser systems

CNC Precision Milling (SXM350A)

Max processing size: φ350×200mm³
Accuracy: ≤0.01mm

For custom crystal shapes and mounting interfaces

Advanced Optical Coating

Precision coating solutions for enhanced optical performance

IAD Ion-Assisted Deposition

Applications: Primarily used for UV-NIR high damage threshold coatings

LIDT: >1GW/cm² @1064nm, 10ns, 10Hz

BBO/LBO crystals AR coatings Doped YAG crystals HR/PR coatings Doped YLF crystals AR/HR coatings Co:Spinel crystal coatings Ti:Sapphire broad-band AR coatings Er,Yb:glass HR/PR coatings

Our IAD process creates exceptionally durable coatings with superior environmental stability. It provides precise control over film density and microstructure, resulting in coatings with minimal absorption and scattering losses.

E-beam Evaporation

Applications: Primarily used for near-infrared coatings with medium damage thresholds

Glass substrate AR/HR coatings Fluoride crystal AR coatings Durable protective coatings Anti-reflective filters Partial reflectors

Our e-beam evaporation systems produce low-stress coatings ideal for sensitive substrates and precision optics. The process allows for high deposition rates and excellent material utilization, making it cost-effective for a wide range of applications.

Rigorous Quality Control

Comprehensive testing to ensure superior product performance

Quality Control

Our quality control laboratory is equipped with state-of-the-art instrumentation to verify every aspect of crystal performance and specifications.

Agilent Spectrophotometer

Precision optical measurement

Measure transmission from 190-2500nm with ±0.5% accuracy

ZYGO Interferometer

Surface figure verification

λ/20 surface accuracy measurement @ 632.8nm

Image Measurement System

Dimensional accuracy validation

±1μm measurement precision for critical dimensions

Weak Absorption Test

Laser damage analysis

Quantify bulk absorption at 1064nm and 1550nm

FOM Value Testing

Material quality assessment

Calculate figure of merit for nonlinear crystals

Frequently Asked Questions

Common inquiries about our crystal manufacturing process

What is the typical lead time for custom crystal manufacturing?

Standard crystal growth requires 8-12 weeks depending on material and size. Rush services are available for select materials at a 30% premium.

What types of crystals can you manufacture?

We specialize in laser crystals (Ti:Sapphire, Nd:YAG, Yb:YAG), nonlinear crystals (BBO, LBO, KTP), and specialty materials (ZnGeP₂, MgF₂).

Do you provide coating design services?

Yes, our optical engineers can design custom coatings optimized for your specific wavelength, angle of incidence, and polarization requirements.

What quality certifications do you hold?

Our facility is ISO 9001:2015 certified with specific processes meeting MIL-PRF-13830B optical standards.

Fluctuology

Advanced Crystal Manufacturing Capabilities for Precision Photonics