Import Diffusion Bonded Crystal — Buy in wholesale FOB from Supplier in China
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Diffusion Bonded Crystal
United Photonics Technology produces diffusion bonded crystals composed of a laser-active doped crystal fused with undoped end caps via high-temperature optical contact. These assemblies reduce thermal lensing in high-power solid-state lasers by distributing heat more evenly across the crystal structure. The listing specifies combinations of YVO4, Nd:YVO4, YAG, Nd:YAG, and Cr4+:YAG in various doping concentrations and geometries.
Typical bonding techniques involve surface polishing to sub-micron flatness, followed by optical contact and annealing at 800°C to 1000°C under controlled atmosphere. The resulting bond has optical transmission exceeding 99.5% at the lasing wavelength and minimal wavefront distortion. The doped core ranges from 0.125mm to 200mm in length, with apertures from 1mm x 1mm to 20mm x 20mm, tailored to laser cavity design requirements.
These crystals are used by manufacturers of industrial, medical, and scientific lasers requiring high beam quality and thermal stability. Buyers include laser system integrators, research institutions, and OEMs in photonics. Units are shipped in anti-static, humidity-controlled packaging. Buyers must specify exact doping concentration, aperture, and length, as custom configurations are standard and no stock items are listed.
| Material composition | YVO4 + Nd:YVO4 + YVO4; YAG + Nd:YAG + YAG; YAG + Nd:YAG + Cr4+:YAG; YAG + Nd:Ce:YAG + Cr4+:YAG |
| Doping concentration (Nd) | 0.1% to 3% atomic |
| Doping concentration (Cr4+) | 0.6 to 7 cm⁻¹ optical density |
| Aperture size | 1 mm x 1 mm to 20 mm x 20 mm |
| Laser crystal length | 0.125 mm to 200 mm |
| Bonding method | Optical contact with high-temperature diffusion annealing (800°C to 1000°C) |
| Transmission at lasing wavelength | Typical: >99.5% per surface |
| Wavefront distortion | Typical: <λ/8 at 632.8 nm |
| Surface flatness | Typical: <λ/10 at 632.8 nm |
| Thermal conductivity (YAG substrate) | Standard: 11 W/m·K |
United Photonics Technology is based in Fuzhou, Fujian Province, China, with a registered address in the Tieling Industrial District. The company specializes in custom optical crystal assemblies, particularly diffusion bonded components for laser systems. The listing provides no information on company history, workforce size, or certifications such as ISO 9001 or ISO 14001.
There is no mention of export volume, client names, or prior projects. The supplier's trust tier is harbor, and no response rate or average response time is provided. All product data is limited to the technical parameters listed, with no additional claims regarding quality control, testing protocols, or production capacity.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Diffusion Bonded Crystal from United Photonics Technology - China Import Guide
Verify the exact doping concentration, aperture dimensions, and crystal length before ordering, as these are custom parameters. Request a certificate of conformance for each batch, including LIDT test results and interferometric wavefront data. Confirm that the bonding process meets the supplier’s internal standards for thermal stability under operating conditions.
Lead time is typically 4 to 6 weeks for custom configurations. Standard Incoterms are FOB Fuzhou or CIF port of destination. Payment is usually 50% advance, 50% before shipment. Buyers should confirm whether the supplier provides export documentation compliant with ITAR or EAR regulations, as some crystals may be controlled under dual-use export controls.
Upon receipt, inspect for surface scratches, bonding defects under magnification, and cleanliness. Use a He-Ne laser to test for transmission uniformity and detect internal stress patterns. Retain a sample from each shipment for future comparison. Document environmental conditions during storage, as humidity can affect bonded interfaces over time.
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30 suppliersBuy Diffusion Bonded Crystal in Bulk — Verified Supplier in China
When sourcing Diffusion Bonded Crystal for your business, securing the right balance of quality and cost is essential. United Photonics Technology, a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.1/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Grinding Wheel sector with strong demand from importing countries worldwide.
Diffusion Bonded Crystal Specifications, Trade Terms & Pricing
Importing Diffusion Bonded Crystal requires careful attention to shipping logistics, customs compliance, and secure payment terms. United Photonics Technology offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
About United Photonics Technology — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Diffusion Bonded Crystal has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Grinding Wheel category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Diffusion Bonded Crystal — Shipping, Logistics & Customs
Importing Diffusion Bonded Crystal requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Diffusion Bonded Crystal
What is the wholesale price of Diffusion Bonded Crystal?
The current listed wholesale price for Diffusion Bonded Crystal from United Photonics Technology is $0.1/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to United Photonics Technology through EximNext.
What is the Minimum Order Quantity (MOQ) for Diffusion Bonded Crystal?
The supplier, United Photonics Technology, has set a Minimum Order Quantity (MOQ) of 1 Bags for Diffusion Bonded Crystal. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Diffusion Bonded Crystal?
The HS Code classification for Diffusion Bonded Crystal depends on the specific grade and form. Contact United Photonics Technology through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Diffusion Bonded Crystal from China?
To import Diffusion Bonded Crystal from China, negotiate shipping terms (FOB, CIF, or EXW) directly with United Photonics Technology. Ensure you have the necessary import licenses for Grinding Wheel products in your destination country.
Is United Photonics Technology a verified supplier?
Yes, United Photonics Technology is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Diffusion Bonded Crystal?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to United Photonics Technology through EximNext.
What packaging options are available for bulk orders of Diffusion Bonded Crystal?
United Photonics Technology offers Diffusion Bonded Crystal with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Diffusion Bonded Crystal the most?
Diffusion Bonded Crystal is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from United Photonics Technology through our platform.
What certifications does this Diffusion Bonded Crystal supplier hold?
United Photonics Technology maintains international quality certifications. These ensure that the Diffusion Bonded Crystal meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Diffusion Bonded Crystal on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. United Photonics Technology will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with United Photonics Technology.
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