Products > Customized Subassembly

Customized Subassembly

This series includes customizable products such as ultra-high-temperature FA, polarization-maintaining optical fiber FA, multi-core optical fiber FA, and mode-field conversion optical fiber array, etc.

Product Details

Product Category	Applications	Core Features	Important Parameters
Multi-core Fiber Array	• Fiber shape sensing (medical catheters/mechanical arms) • Multi-channel transmission for quantum information • Optical interconnection for high-performance computing	1. Ultra-high spatial efficiency: multiple channels in a single fiber 2. Phase coherence maintenance: controllable optical path between channels 3. High channel isolation: extremely low crosstalk	• Number of channels: 4/7/19 cores, etc. • Crosstalk: <-30 dB (typical) • Insertion loss: <0.5 dB/channel • Core spacing: 30-50 μm • Alignment accuracy: ≤±0.5 μm
Polarization Maintaining Fiber Array	• High-power fiber lasers • Coherent optical communication transmitters/receivers	1. Polarization maintenance: stable linear polarization state 2. High polarization extinction ratio: PER>20 dB	• Polarization extinction ratio: 20-35 dB • Insertion loss: <0.3 dB/channel • Axis alignment error: ≤±1° • Temperature stability: PER change <0.5 dB (-40~85°C)
Ultra-High Temperature Resistant FA	• Monitoring of aircraft engines • High-temperature industrial process monitoring	1. Extreme temperature tolerance: -270~1000°C+ 2. Thermal shock resistance: no failure under rapid temperature changes 3. Specialized materials: no organic materials 4. Long-term stability: long life at high temperatures	• Operating temperature: up to 1000°C+ • Insertion loss temperature drift: <0.02 dB/°C • Thermal shock cycles: 1000 times (-55~300°C) • Packaging airtightness: leak rate <1×10⁻⁸ Pa·m³/s • Fiber type: pure quartz core/gold coating
Mode Field Conversion FA	• Coupling to silicon photonics chips (400G/800G) • Beam combining for high-power lasers • Specialized fiber interconnection	1. Mode field matching: adjustable mode field diameter (1-20 μm) 2. Extremely low coupling loss: <1.0 dB 3. Large alignment tolerance: tolerance increased by 2-5 times	• Mode field diameter: 0.5-20 μm adjustable • Coupling loss: 0.5-2.0 dB • Alignment tolerance: ±2-5 μm (1 dB tolerance) • Return loss: >55 dB (APC) • Working distance: 10-500 μm