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Nd:Ce:YAG Crystal

POC-OC-122440-Nd:Ce:YAG Crystal

  • High Energy Efficiency: Enhanced by co-doping with Neodymium (Nd) and Cerium (Ce) ions.
  • Reduced Thermal Distortion: Optimal for high-power laser systems with stable performance.
  • Anti-UV Radiation Capability: Strong absorption in UV spectral regions for enhanced pumping efficiency.
  • High Optical Quality: Supports precise beam quality with minimal scattering.
  • Customizable Design: Available in various sizes and specifications tailored to application needs.

Customizable Components Available for This Material to Meet Your Specific Needs!

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General Description

Nd:Ce:YAG (Neodymium and Cerium Co-doped Yttrium Aluminum Garnet) crystal is an advanced laser material that offers improved energy transfer and enhanced thermal properties. By utilizing Cerium as a sensitizer, the crystal demonstrates superior energy transfer efficiency, reducing thermal distortion and improving beam quality. This makes Nd:Ce:YAG particularly suited for high-energy laser applications.

Compared to standard Nd:YAG, the co-doped Nd:Ce:YAG Crystal provides a higher output energy at the same pumping level. Its strong absorption in the UV spectral region enhances pumping efficiency, while its high thermal conductivity ensures stable operation under high power. It operates at the fundamental lasing wavelength of 1064 nm and shares similar damage thresholds and mechanical properties with traditional Nd:YAG crystals.

General Applications and Examples

Nd:Ce:YAG crystals find applications across diverse fields due to their superior optical, thermal, and mechanical properties. Below are some examples:

  1. Industrial Applications:
    • High-energy lasers for cutting, welding, and engraving processes.
    • Laser systems for precision micromachining and material processing.
  2. Medical Applications:
    • Ophthalmic lasers for procedures such as glaucoma treatment and retinal repair.
    • Surgical Nd:Ce:YAG Crystal  lasers for minimally invasive operations requiring precise ablation.
  3. Scientific Research:
    • Fundamental research requiring high-energy pulses with low distortion.
    • Ultrafast laser systems for spectroscopy and particle acceleration studies.
  4. Military and Defense:
    • Directed energy weapons requiring stable, high-power laser sources.
    • Rangefinders and targeting systems with reliable energy transfer efficiency.
  5. Consumer and Commercial Products:
    • Laser-based display systems with high optical quality.
    • Precision tools for LIDAR systems and remote sensing technologies.

Chemical and Structural Properties

PropertySpecification
Crystal StructureCubic Garnet
Chemical FormulaNd:Ce:Y3Al5O12
Growth MethodCzochralski
Density4.56 g/cm³
Dopant ConcentrationNd: 1.1–1.4 at.%, Ce: 0.05–0.1 at.%
Refractive Index1.8197 @ 1064 nm
Thermal Conductivity12.1 W/m/K
Thermal Expansion Coefficient7.8 × 10^-6 K⁻¹
Hardness8.5 Mohs
Optical Homogeneity< λ/10
Melting Point1970 °C

Optical, Laser and Nonlinear Optical Properties

ParameterSpecification
Laser Transition^4F3/2 → ^4I11/2
Laser Wavelength1064 nm (Primary), 1319 nm (Secondary)
Photon Energy1.86 × 10^-19 J @ 1.064 µm
Emission Linewidth4.5 Å @ 1.064 µm
Emission Cross Section2.7–8.8 × 10^-19 cm²
Fluorescence Lifetime230 µs (Nd 1 at.%)
Mode of OperationCW, Pulsed, Q-switched
Energy Storage EfficiencyEnhanced by Ce doping
Pump SourceFlashlamp or diode pump

Standard Fabrication Specifications

ParameterSpecification
Laser Transition^4F3/2 → ^4I11/2
Laser Wavelength1064 nm (Primary), 1319 nm (Secondary)
Photon Energy1.86 × 10^-19 J @ 1.064 µm
Emission Linewidth4.5 Å @ 1.064 µm
Emission Cross Section2.7–8.8 × 10^-19 cm²
Fluorescence Lifetime230 µs (Nd 1 at.%)
Mode of OperationCW, Pulsed, Q-switched
Energy Storage EfficiencyEnhanced by Ce doping
Pump SourceFlashlamp or diode pump

Spectrum Transmission Curve

Nd:Ce:YAG exhibits strong absorption at 808 nm for efficient pumping and high emission at 1064 nm, ensuring optimal energy conversion. Its emission spectrum features a narrow bandwidth, allowing for precise and stable laser operation.

Coating Specifications

  • Standard Coating:
    • AR-coated for 808 nm (pump wavelength) and 1064 nm (emission wavelength).
    • Reflectivity < 0.2% per surface.
  • Custom Coating:
    • Available upon request, tailored to application-specific requirements.
  • Adhesion Test: Compliant with MIL-C-675C military standards, an adhesion test involved applying a tape that meets LT-90 specifications onto the lens film layer. The tape was affixed fully and then removed vertically. This procedure was performed three times, resulting in no blistering or peeling.
  • Temperature Test: In line with MIL-C-675C specifications, test pieces were subjected to temperatures of -62±1℃ and 71±1℃. After maintaining them at room temperature (16℃~32℃) for two hours, the adhesion test was repeated, confirming no film detachment.
  • Abrasion Resistance Test: Conforming to MIL-C-675C and CCC-C-440 standards, the abrasion resistance test involved a gauze tester applying a minimum force of 1.0 lbs (0.45 kg) to the film. This was repeated 25 times with gauze widths of 1/4 inch (6.4mm) and 3/8 inch (9.5mm), ensuring no damage occurred to the film surface.
  • Humidity Test: Under MIL-C-675C criteria, the test piece was placed in a controlled temperature and humidity chamber set to 49 ±2℃ and 95%~100% humidity for 24 hours. The film remained intact, with no peeling, scratches, or other defects.
  • Solvent and Cleaning Testing: Following MIL-C-675C specifications, test pieces were exposed to room temperature conditions (16℃~32℃) and tested with acetone and alcohol for at least 10 minutes each. After air drying and subsequent cleaning with a cotton cloth soaked in alcohol, the film surface showed no signs of peeling or scratches.
  • Salt Spray Test: After 100 hours in a 35°C environment with a 5% saltwater concentration, the film showed no signs of damage.
DimensionsLengthEnd FacesDopingCoatingPrice (USD)
3 × 3 mm10 mmBrewster-angle cutNd: 1.2%, Ce: 0.05%AR-coated @1064 nm$620
5 × 5 mm20 mmRight-angle cutNd: 1.4%, Ce: 0.1%AR-coated @1064 nm$720
10 × 10 mm50 mmBrewster-angle cutNd: 1.1%, Ce: 0.08%Custom Coating$920
CustomizationAs neededAs neededAs requestedAs requestedRequest Quote

POC-OC-122440-Nd Ce YAG Crystal

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