Laser crystal price

When sourcing laser crystals (such as Nd:YAG, Ti:Sapphire, or YVO4), the price is primarily driven by optical homogeneity and doping concentration accuracy. You must verify the extinction ratio, wavefront distortion (typically <λ/10 per inch), and surface quality (Scratch-Dig 10-5 or better). High-precision applications require damage threshold testing (e.g., >10 J/cm² at 1064nm) to ensure the crystal can withstand high-power laser pulses without degradation.

The Anti-Reflection (AR) or High-Reflection (HR) coatings can account for 20-40% of the total cost. For B2B buyers, it is essential to specify the residual reflectivity (R < 0.1%) and the operating wavelength range. Crystals with dual-wavelength coatings or high-power resistance coatings will command a premium price but are necessary for preventing thermal lensing and maximizing output efficiency.

Suppliers should ideally hold ISO 9001:2015 certification for quality management. Furthermore, ensure the products comply with RoHS and REACH directives to avoid customs issues in the EU and US. For high-end industrial or medical lasers, request Material Safety Data Sheets (MSDS) and Certificate of Analysis (CoA) for every batch to guarantee chemical purity and traceability.

To optimize costs, buyers should standardize dimensions (e.g., 3x3x5mm or 5x5x10mm) whenever possible, as custom geometries significantly increase CNC grinding and polishing labor. For large-scale projects, sourcing from Made-in-China.com allows access to manufacturers who offer tiered pricing, where increasing the volume from 10 to 100 units can reduce the unit price by up to 50% due to optimized crystal growth cycles.

The main risks are mechanical shock and moisture contamination. Laser crystals are extremely fragile and sensitive to temperature fluctuations. You must insist on vacuum-sealed anti-static packaging and shock-absorbent specialized foam inserts. For high-value shipments, utilize logistics providers with climate-controlled environments and ensure the cargo is insured for its full replacement value.

Utilize the Secured Trading services provided by Made-in-China.com to protect your payment until the goods are verified. Before finalizing the contract, negotiate a two-stage inspection process: first, a factory inspection report (including interferometry results), and second, a third-party pre-shipment inspection. Clearly define the rejection criteria for bubbles, inclusions, or coating peels in the Proforma Invoice.

Laser crystals are often classified as dual-use goods under the Wassenaar Arrangement. Depending on the crystal type and specifications (e.g., large diameter or specific doping), an Export License may be required from the originating country. Always confirm the HS Code (typically 9001.90) with your customs broker to determine applicable tariffs and ensure the supplier provides a Certificate of Origin to benefit from preferential trade agreements.

Request a paid sample from the same growth ingot intended for the bulk order. Conduct an independent lab test for absorption coefficients and crystal orientation (X-ray diffraction). A reliable supplier on Made-in-China.com will be transparent about their growth method (Czochralski or Kyropoulos) and provide historical data logs for their furnace stability, which is the foundation of crystal consistency.