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J599PM Series Polarization-Maintaining Fiber Optic Connector
Product Description
The J599PM Series Polarization-Maintaining (PM) Fiber Optic Connectors are designed for high-stability polarization transmission in demanding aerospace, defense, and precision optical systems.
Based on a rugged circular connector platform, this series combines a triple-thread coupling mechanism, precise keying, and high-accuracy PM fiber alignment to ensure excellent extinction ratio stability, repeatability, and low insertion loss, even under strong vibration and harsh environmental conditions.
Key Features
Mechanical & Structural Design
- Triple-thread coupling for fast mating and reliable anti-loosening performance
- Keyed positioning for blind mating and error-free installation
- High-strength outer housing with multiple material and plating options
- Designed to withstand high-intensity vibration and mechanical shock
Optical Performance & Stability
- High-precision PM ferrule alignment for stable polarization control
- Excellent extinction ratio and long-term repeatability
- Low insertion loss across common PM wavelengths
Environmental Adaptability
- Suitable for harsh environments including vibration, salt mist, and pressure-sealed applications
- Optional airtight PM optical cable assemblies
Technical Specifications
Mechanical Performance
| Parameter | Specification |
| Mechanical life | 500 mating cycles |
| Shock | Peak acceleration 980 m/s² |
| Vibration | 10 Hz–2000 Hz, acceleration 147 m/s² |
Environmental Performance
| Parameter | Specification |
| Operating temperature | –55 °C to +80 °C (limited by cable) |
| Salt mist resistance | K type: 500 h ` F type: 48 h ` W type: 200 h |
| Airtightness (PM cable assembly) | Leakage ≤ 1 × 10⁻⁹ Pa`m³/s (ΔP = 1 atm) |
Optical Performance
| Parameter | Specification |
| Insertion loss | ≤ 0.6 dB @ 1550 nm≤ 0.8 dB @ 780 |
