Rapid development of telecommunication systems and increasing demand for bandwidth, the filter-based products have become the best choice of increasing bandwidth within existing or developing optical networks. Moreover, with accurate and detailed design and manufacturing capability, FOCI is able to customize products to meet customers' demand, and also provide customers with high performance customized filter devices. 

Applications: 

• Telecommunications 
• Local area network 
• Fiber optic sensors 
• Testing instruments 
• RFTS
• CATV
• FTTH

Features: 

• Environmentally stable 
• Wide bandpass 
• Low return loss 
• Low loss, low cross-talk 
• High isolation 
• Low Polarization dependent loss 
• Optical path epoxy free
• Custom-defined specifications