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FTTH FBG Optic Bragg Reflector High Reliability 1650nm Fiber Reflector FTTH Projects

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FTTH FBG Optic Bragg Reflector High Reliability 1650nm Fiber Reflector FTTH Projects

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Brand Name :	HJY
Model Number :	HJY-FBG-R-1650-XX-XX-2
Certification :	CE, ROHS, FCC
Price :	Please find sales@huajiayu.com
Payment Terms :	L/C, D/A, T/T, Western Union
Supply Ability :	10000000pcs/month
Delivery Time :	5~7 working days

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FTTH FBG Optic Bragg Reflector High Reliability 1650nm Fiber Reflector FTTH Projects

High Stability and Reliability 1650nm OTDR FBG Optic Bragg Reflector LC APC on FTTH Projects

Features of FBG Reflector

The FBG fiber grating reflector is a wavelength selective reflector, which is usually installed at the front end of the ONU of the optical network to achieve accurate and fast detection of the end-to-end attenuation of the optical link. Compared with thin-film reflectors, fiber grating reflectors have the following characteristics:

1. The FBG reflector creates high reflectivity at the PON end, which will not affect the communication

The fiber grating reflector uses fiber grating to reflect nearly 100% of the test light pulse sent by the OTDR on the OLT side of the optical link terminal, and the wavelengths that do not meet the conditions pass through the fiber optic reflector normally with a small attenuation.

When the OTDR detects that the reflected detection signal exists, the optical fiber connection at the user end is normal. If the reflection value is very low or there is no reflection, it indicates that the fiber at the user end is damaged or broken. It can make online rapid detection of optical fiber lines without affecting the normal communication of other communication signals.

2. High stability and reliability of FBG reflector
The fiber grating reflector uses the light sensitivity of the fiber material to write the fiber grating on the fiber core. The optical fiber goes through the ceramic ferrule and the grating area is partially encapsulated inside the ceramic ferrule. The fiber grating will not be affected during the insertion and removal of the fiber optic reflector and it will not be affected by dirt, so it has high reliability.

3. The FBG reflector and the adapter structure are easy to connect.

Fiber optic reflectors are available in SC type and LC type. They interact with regular adapters. It is very convenient to use them.

With the widespread implementation of fiber-to-the-home FTTH projects, the number of users involved in optical networks continues to increase. How to quickly and accurately detect optical network faults is particularly important for the mainte

Characteristics	Applications
* High precision of reflectance at test wavelength * Low insertion loss at traffic wavelength * Easy to install * Exceptional reliability and environmental stability * Applicable for FTTH, FTTB, FTTC * Compatible with GPON, EPON, GEPON, 10GEPON, NGPON	* Create high reflectance and wide working bandwidth at the termination of a PON without disturbing traffic * Test the reflectance from the central office. * Check optical continuity of a subscriber when being added, or when troubleshooting

Application Diagram:

Specification and Ordering Information:

Product Type	HJT-FBG-R-1550-XX-XX*^①
Parameters	Minimum	Maximum
Optical Parameters
Pass band wavelength range (nm)	1260	1625
Reﬂect band wavelength range (nm)	1644.5	1655.5
Insertion Loss (1260nm - 1360nm) (dB)*^②	-	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) *^③	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	SC/APC Male & SC/APC Female
Temperature Range
Storage Temperature (℃)	-40	85
Operating Temperature (℃)	-25	65
Relative Humidity (RH%)	5	95

*①HJY-FBG-R-1550-XX-XX,the first XX means fibre type,the second XX means structure type
*② Insertion Loss (dB) = -10 log
(Output Power/ Input Power) [dB]
*③Reture Loss (dB)=-10 log(Reflected Power/ Input Power) [dB]. To measure the return loss of reflect band, the light of 1650nm should be injected from the female side of reflector

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