How much does a blue laser diode cost

Blue laser diodes typically range from under $10 for low-power consumer models to several thousand dollars for high-power or specialized devices.

Price Range Overview

The cost of a blue laser diode depends heavily on wavelength, output power, spectral properties, and application. Low-cost diodes, often used in consumer electronics or laser pointers, can be purchased for less than $10. In contrast, high-power, narrow-linewidth, or single-mode diodes used in scientific, medical, or industrial applications can cost hundreds to thousands of dollars per unit .

• Consumer-grade diodes (405–450 nm, low power): $5–$50
• High-power diodes (445–488 nm, several hundred mW to watts): $100–$1,000+
• Specialty diodes (narrow linewidth, single-mode, biomedical imaging): $1,000–$10,000+ depending on specifications

Factors Affecting Price

1. Wavelength: Common wavelengths like 405 nm, 445 nm, and 450 nm are produced in higher volumes, reducing cost. Less common or highly precise wavelengths command higher prices .
2. Output Power: Higher power diodes require more advanced cooling and packaging, increasing cost .
3. Spectral Quality: Narrow-linewidth or single-mode diodes for research or medical use are significantly more expensive than broad-spectrum consumer diodes .
4. Package Type: TO-can, MDP, or other specialized packages affect pricing due to manufacturing complexity .
5. Market Trends: Asia-Pacific, particularly China, dominates production, offering competitive pricing, while North America and Europe supply high-end specialized diodes at premium prices .

Where to Buy

Blue laser diodes are available from electronics distributors like Mouser Electronics, which lists a variety of models with datasheets and pricing . Suppliers like Roithner Laser provide detailed price lists for different wavelengths and power levels, including 420–488 nm blue diodes .

Summary

For general purposes, expect to pay $5–$50 for low-power consumer blue diodes, $100–$1,000 for high-power industrial or research diodes, and $1,000+ for specialized narrow-linewidth or single-mode devices. Prices are influenced by wavelength, power, spectral properties, and packaging, with market trends and regional manufacturing also affecting cost .