The price of concealed fiber optic couplers varies widely depending on type, mode, split ratio, and customization, typically ranging from a few dollars for standard LC/SC couplers to several hundred dollars for specialized PLC or high-power couplers.

Factors Affecting Price

1. Coupler Type and Fabrication
   • Fusion couplers: Low insertion loss (~0.3 dB), high power handling, limited bandwidth; moderate cost .
   • Micro-optic couplers: Ultra-broad bandwidth, high polarization extinction ratio, excellent thermal stability; higher cost due to precision fabrication .
   • Planar Lightwave Circuit (PLC) couplers: Compact, broad bandwidth, suitable for high fiber counts; lower cost for standard ratios, but custom ratios significantly increase price .
2. Mode and Fiber Type
   • Singlemode (SM) couplers generally cost more than multimode (MM) due to tighter tolerances and lower insertion loss requirements .
   • Dual window or dual-clad fibers may increase cost due to specialized design .
3. Split Ratio and Port Count
   • Common split ratios (50/50, 60/40, 70/30) are less expensive.
   • Extreme ratios (1/99, 95/5) or higher port counts (1x8, 1x16) increase cost due to complexity .
4. Connectorization
   • Connectorized couplers (LC, SC, FC, ST) are more expensive than unconnectorized versions.
   • APC or UPC polishing types may slightly affect price .
5. Customization
   • Custom fiber assemblies, special wavelengths, or concealed designs require direct quotes from suppliers like EFB-Elektronik or Fibertronics .

Typical Price Ranges

• Standard LC/SC singlemode couplers: $5–$20 per unit for small packs (Amazon listings), .
• PLC couplers for telecom or high fiber counts: $50–$300+ depending on split ratio and customization .
• High-power or specialty micro-optic couplers: $100–$500+ for industrial or laboratory applications .
• Custom concealed or dual-window couplers: Price available upon request from suppliers; expect higher costs due to design and fabrication .

Recommendations

• For standard networking applications, Amazon or online distributors provide affordable pre-packaged couplers.
• For industrial, high-power, or concealed applications, contact suppliers like EFB-Elektronik, Agiltron, or Fibertronics for quotes and technical advice.
• Always specify mode, split ratio, connector type, and any concealment requirements to get accurate pricing.