Guangdong Huajiayu Technology Co., Ltd
                                                                                                           
Verified Supplier
14 Years
Since 2012
Menu

High Reflectivity FBG Filters Fused Silica OTDR Test Fiber Optic Reflector 1550nm/1650nm with 21dB Insertion Loss

Price Negotiable
Price: Please find sales@huajiayu.com
MOQ: 1pc
Delivery Time: 5~7 working days
Brand: HJY or OEM
Product Description
High Reflectivity FBG Filters for OTDR Testing
1550nm FBG Reflector
FBG Reflectors (1550nm), also known as FBG filters, are installed at the front end of optical network ONUs. When combined with OTDR equipment, they enable point-to-point (PTP) or point-to-multipoint (PTMP) network monitoring of optical links, providing accurate and rapid detection of network anomalies.
1650nm FBG Reflector
Utilizing the wavelength-selective properties of Fiber Bragg Grating, the 1650nm FBG Reflector is embedded in adapters for easy installation at optical network front ends. It cooperates with Optical Time Domain Reflectors (OTDR) to quickly and accurately detect optical network faults.
Key Characteristics & Applications
Characteristics Applications
  • High precision reflectance at test wavelength
  • Low insertion loss at traffic wavelength
  • Easy installation process
  • Exceptional reliability and environmental stability
  • Compatible with FTTH, FTTB, FTTC networks
  • Works with GPON, EPON, GEPON, 10GEPON, NGPON systems
  • Create high reflectance and wide working bandwidth at PON termination without disturbing traffic
  • Test reflectance from central office locations
  • Check optical continuity when adding subscribers or troubleshooting
FBG Reflector Technical Features
Non-Interference Communication
FBG reflectors create high reflectivity at PON ends without affecting communication. They reflect nearly 100% of test light pulses from OTDR equipment while allowing other wavelengths to pass through with minimal attenuation.
High Stability and Reliability
Using light sensitivity of fiber material, fiber gratings are written directly onto fiber cores. The grating area is partially encapsulated inside ceramic ferrules, ensuring protection during insertion/removal and immunity to dirt contamination.
Easy Connectivity
Available in SC and LC types, fiber optic reflectors interact with regular adapters for convenient installation and use.
Application Diagram
FBG Reflector application diagram showing optical network monitoring setup with OTDR equipment and fiber connections
Technical Specifications
Parameter Minimum Maximum
Pass band wavelength range (nm) 1260 1625
Reflect band wavelength range (nm) 1644.5 1655.5
Insertion Loss (1260nm - 1360nm) (dB) - 1.0
Insertion Loss (1460nm - 1600nm) (dB) - 1.0
Insertion Loss (1600nm - 1625nm) (dB) - 2.0
Insertion Loss (Reflect Band) (dB) 21 -
Return Loss (1260nm - 1360nm) (dB) 35 -
Return Loss (1460nm - 1580nm) (dB) 35 -
Return Loss (1580nm - 1620nm) (dB) 30 -
Return Loss (1620nm - 1625nm) (dB) 20 -
Return Loss (Reflect Band) (dB) 0 1.0
Polarization Dependent Loss (1260nm - 1600nm) (dB) 0 0.6
Ripple (Reflect Band) (dB) 0 0.4
Temperature Dependent Loss (1260nm - 1600nm) (dB) 0 0.5
Max Optical Power Handling (dBm) 27
Plug Times 500 -
Connector Types SC/APC Male & SC/APC Female
Storage Temperature (°C) -40 85
Operating Temperature (°C) -25 65
Relative Humidity (RH%) 5 95
Ordering Information
Product Type: HJT-FBG-R-1550-XX-XX
Note: The first XX indicates fiber type, the second XX indicates structure type

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangdong Huajiayu Technology Co., Ltd
Location 8F,Hengxin Intelligent Science and Technology Park, Shuikou Sub-district Office, Huicheng District, Huizhou 516000, Guangdong, China
Contact Person Walter

Request A Quote

Please check your email address.
Your message must be at least 20 characters.