How much does a 685nm laser diode cost in the Democratic Republic of Congo

A 685nm laser diode typically costs between $10 and $200 USD, depending on power, packaging, and module type, with international shipping required for the DRC.

Price Range and Factors

The cost of a 685nm laser diode varies widely based on specifications: Basic diodes for low-power applications (1–10 mW) can cost around $10–$30 USD. Pigtailed or module diodes with higher stability, fiber coupling, or integrated TEC coolers (e.g., 10–15 mW output) range from $50 to $200 USD. Custom or high-power OEM modules can exceed $500 USD, especially for single-mode or narrow-linewidth applications.

Key factors affecting price include: Output power: Higher power diodes are more expensive. Packaging: Pigtailed or fiber-coupled modules cost more than bare diodes. Spectral properties: Single-mode or narrow-linewidth diodes command higher prices.

Quantity: Bulk orders reduce per-unit cost. Availability in the DRCCurrently, there are no local suppliers in the DRC listed in the sources. Most purchases would need to be made through international distributors such as Alibaba, RPMC Laser, Edmund Optics, or OEQuest, which ship globally.

Shipping costs, import duties, and local taxes will add to the final price.

Practical Advice

For hobby or low-power applications, a basic 685nm diode from Alibaba or similar platforms is the most cost-effective. For research or medical applications, consider pigtailed or TEC-cooled modules for stability, even though they are more expensive. Always check shipping options and customs regulations for the DRC to estimate the total cost accurately.

By considering these factors, buyers in the DRC can expect to pay roughly $10–$200 USD per 685nm laser diode, excluding shipping and import fees.