The Polarization Maintaining Optical Circulator is a compact, high performance lightwave component that routes incoming signals from Port 1 to Port 2, and incoming Port 2 signals to Port 3. The PM Optical Circulator provides high isolation, low insertion loss, high extinction ratio, and excellent environmental stability.

AFR provides Hermetic Fiber Feedthrough by hermetically attaching gold plated metal ferrule to fiber cables base on different applications to guarantee excellent hermetic feedthrough performance. SM, MM, PM individual fiber or ribbon fiber available upon request. The hermetic feedthrough is commonly used in PLC module, LD packaging and integrated optics packaging for hermetic sealing purpose.

The 2 μm Polarization Maintaining Fused Wavelength Division Multiplexer combine or separate light at different wavelengths. They offer very low insertion loss, high extinction ratio, and excellent environmental stability.

The Singlemode Wavelength Division Multiplexer combine or separate light at different wavelengths. They offer very low insertion loss, low polarization dependent loss, high isolation and excellent environmental stability. These components have been extensively used in EDFA, CATV, WDM networks and fiber optic instruments.

The Polarization Maintaining Fused Wavelength Division Multiplexer combine or separate light at different wavelengths. They offer very low insertion loss, high extinction ratio, and excellent environmental stability. These components can be operated on both fast and slow axis.

The Polarization Maintaining Fused Coupler offers very low insertion loss, high polarization extinction ratio and excellent environmental stability. Accurate coupling ratios from 0.01/99.99 to 50/50 are available with very good uniformity at center wavelength. These components find extensive applications to perform power splitting and mornitoring functions in all kinds of optical communication systems.

The Ultra Low Ratio Tap Coupler splits a very small amount of light from a signal path to a tap port. Low tap ratios such as 0.1%, 0.01% or 0.001% enable the monitoring photodetector to operate without damage or saturation. It is suitable for very high optical power, its main application is in the monitoring of optical sources such as fiber lasers.

Mini Type Manual Variable Optical Attenuator (MVOA) operates by manually moving a shading element into optical beam. The shading element can be adjusted to get any attenuation value in a range. This MVOA features low insertion loss, good resolution, integrating high stability, good reliability and applies for pre-emphasis attenuation, transmitter power control, in-line power equalization and amplifier power control, etc.

The PM Patchcord series has excellent environmental stability, high return loss, low insertion loss. It is ideal for PM amplifiers, fiber lasers and test instrumentation applications.

The Mini Fiber Optic Circulator is a compact, high performance lightwave component that routes incoming signals from Port 1 to Port 2, and incoming Port 2 signals to Port 3. The optical circulator provides high isolation, low insertion loss, low PDL, low PMD and excellent environmental stability. It is widely used in combination with fiber gratings and other reflective components in DWDM systems, high speed systems and bi-direction communication systems.

The Optical Circulator is a compact, high performance lightwave component that routes incoming signals from Port 1 to Port 2, and incoming Port 2 signals to Port 3. This PM Optical Circulator provides high isolation, low insertion loss, high extinction ratio and excellent environmental stability.

The Polarization Maintaining Optical Circulator is a compact, high performance lightwave component that routes incoming signals from Port 1 to Port 2, and incoming Port 2 signals to Port 3. The PM Optical Circulator provides high isolation, low insertion loss, high extinction ratio, and excellent environmental stability.

The 2 × 2 Polarization Maintaining Optical Circulator is a compact, high performance lightwave component that routes incoming signals from Port 1 to Port 2, incoming Port 2 signals to Port 3, and incoming Port 3 signals to Port 4. This optical circulator provides high isolation, low insertion loss, high extinction ratio, and excellent environmental stability.

The Filter Wavelength Division Multiplexer is based on environmentally stable thin film filter technology. The devices combine or separate light at different wavelengths in a wide wavelength range. They offer very low insertion loss, low polarization dependence, high isolation and excellent environmental stability. High power handling capability can be achieved through unique pigtail processing and high quality AR coating. These components have been extensively used in EDFAs, Raman amplifiers, WDM networks and fiber optical instruments.

The Singlemode Wavelength Division Multiplexer combine or separate light at different wavelengths. They offer very low insertion loss, high isolation and excellent environmental stability. These components have been extensively used in EDFA, CATV, WDM networks and fiber optic instruments.

The PMIWDM series combines Filter WDM and isolator into a compact package to offer a cost saving solution. This device is ideal for fiber amplifier applications to combine signal and pump wavelengths with very stable 1550 nm signal isolation. It is designed and manufactured according to Telcordia standard.

The PM FWDM series provides wavelength division multiplexing while maintaining signal polarization. This component is based on environmentally stable thin film filter technology and is characterized with high extinction ratio, low insertion loss, and high return loss. They are ideal for high speed WDM network systems.

The MMFC series offers very low excess loss, broad operating band and high stability and reliability. The fiber coupler/splitter is extensively used in LAN, multimode fiber communication systems, fiber sensors and testing instruments.

The PMFCM series is manufactured using advanced technology to allow the input signal to be split into multi channels at a given splitting ratio with high extinction ratio, low excess loss, good uniformity, low wavelength dependance and low temperature dependence. It can be widely used in fiber sensors, amplifiers, lasers, etc.

The Polarization Maintaining Tap Coupler/Splitter is manufactured using advanced technology to allow the input signal to be split at various ratios with high extinction ratio.

The Polarization Maintaining Filter Coupler is manufactured using advanced technology to allow the input signal to be split at various ratios with high extinction ratio. The PM Filter Coupler/Splitter supports both polarizations.

The Fiber Collimator is the basic element for in-line fiber optics components, such as isolator and FWDM. The fiber collimator has low insertion loss and high return loss. The unique processing and high quality AR coating also enable this fiber collimator to handle high power.

Mini Type Manual Variable Optical Attenuator (MVOA) operates by manually moving a shading element into optical beam. The shading element can be integrated and adjusted to get any attenuation value in a range. MVOA features low insertion loss, good resolution, high stability and good reliability. The Manual Variable Optical Attenuator applies for pre-emphasis attenuation, transmitter power control, in-line power equalization, and amplifier power control, etc.

The Multimode Patchcord series has excellent environmental stability, high return loss and low insertion loss. It is ideal for multimode fiber lasers and test instrumentation applications.

The Faraday Mirror is a passive device that provides 90 degree rotation regarding to the polarization state of the input light. The FM offers excellent performance including the lowest possible insertion loss and environmental stability. It is used in EDFAs, fiber lasers and fiber instruments to minimize the polarization effect.