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YAG crystal

POC-OC-122484-YAG crystal

  • Wide transparency range suitable for mid-infrared applications.
  • High optical gain and excellent nonlinearity properties for efficient laser systems.
  • Superior thermal and mechanical stability for high-power laser operations.
  • Ideal for nonlinear optical applications such as OPOs and frequency conversion.
  • Customizable sizes, orientations, and coatings for various photonics needs.

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

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Material General Description

Yttrium Silver (YAg) crystal is a high-performance material widely used in photonics and laser technology. With its exceptional optical, thermal, and mechanical properties, YAg crystal demonstrates excellent transmission in the mid-infrared region, making it a preferred choice for advanced laser systems. YAg is particularly suited for nonlinear optical applications, including optical parametric oscillators (OPOs) and frequency conversion devices, owing to its high optical gain and nonlinear coefficients. The material’s strong thermal stability and low absorption losses under high-power laser conditions enhance its reliability and durability, making it a versatile solution for industrial, scientific, and medical applications.

 

General Applications and Examples

  1. Mid-Infrared Laser Systems:
    YAg crystals serve as an efficient gain medium for mid-infrared lasers used in precision material processing, enabling accurate cutting, drilling, and welding.
  2. Optical Parametric Oscillators (OPOs):
    The nonlinear properties of YAg make it ideal for use in OPO systems, enabling tunable laser output in the mid-IR spectrum for scientific and industrial applications.
  3. Frequency Conversion Devices:
    YAg crystals are key in frequency doubling and mixing processes, enabling the generation of coherent radiation at specific wavelengths for spectroscopy and remote sensing.
  4. Medical Laser Applications:
    The wide transparency range of YAg crystals supports medical laser systems for surgical procedures and dermatological treatments, providing precise wavelength tuning for targeted applications.
  5. Scientific and Defense Applications:
    YAg crystals are utilized in scientific research and defense systems, such as mid-infrared imaging, laser range finders, and target designators, where efficient wavelength generation is critical.

Chemical and Structural Properties

Property

Value

Chemical Formula

YAg

Density

6.7 g/cm³

Melting Point

~1400°C

Thermal Conductivity

~25 W·m⁻¹·K⁻¹

Refractive Index

~2.0–2.2

Nonlinear Coefficient

High

Orientation

Customizable (<111>, <110>, etc.)

Cleavage Plane

<111>

Optical, Laser and Nonlinear Optical Properties

Property

Value

Transparency Range

0.5–12 µm

Nonlinear Coefficient

High

Absorption Coefficient

Low

Emission Wavelength Range

2.5–4.5 µm

Laser Damage Threshold

>600 MW/cm²

Refractive Index

2.0–2.2

Standard Fabrication Specifications

Property

Value

Transparency Range

0.5–12 µm

Nonlinear Coefficient

High

Absorption Coefficient

Low

Emission Wavelength Range

2.5–4.5 µm

Laser Damage Threshold

>600 MW/cm²

Refractive Index

2.0–2.2

Spectrum Transmission Curve:

YAg crystals exhibit excellent transmission in the mid-infrared range, with minimal absorption losses. The transmission spectrum illustrates its broad transparency range and suitability for high-power laser operations. Detailed spectral data is available upon request.

Coating Specification:

 

Coating Specification

  • Anti-Reflection Coating: AR coatings optimized for 2.5–5 µm range with reflectance <0.3%.
  • Durable Coatings: Coatings engineered for long-term performance under high-power laser applications.
  • Custom Coatings: Available based on specific application needs, such as high-reflectivity or protective coatings.
  • 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.

POC Strength and Capabilities

 

Photonics On Crystals (POC) specializes in advanced YAg crystal solutions for photonics and laser applications. POC employs cutting-edge technology and rigorous quality control processes to deliver high-performance products tailored to industrial, medical, and scientific needs. With a focus on customizability and precision, POC ensures that its YAg crystals meet the demanding requirements of modern photonics systems.

Standard Products

Product

Dimensions

Price (USD)

YAg Laser Rods

10–50 mm length

$2,500–$8,000

YAg Optical Windows

20–100 mm diameter

$3,000–$12,000

YAg Nonlinear Mediums

Custom dimensions

$5,000–$20,000

Customization Options

Available on request

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POC-OC-122484-YAg crystal

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