Fiber Optic Rotary Joints

A fiber optic slip ring is an electromechanical device that allows the transmission of fiber optic signals between a stationary and a rotating part of a machine or system. It is used in applications where high-speed data transfer is required over long distances, such as in communication, automation, and defense systems. The fiber optic slip ring consists of a stationary part and a rotating part, with the stationary part containing fiber optic connectors and the rotating part containing fiber optic cables. The device enables the transmission of high-speed data without interruption or signal loss, while allowing the rotation of the system to continue. The design and specifications of a fiber optic slip ring depend on the application and the requirements of the system.

Advantages：

◎No contact and friction, long life, up to 10 million rpm (more than 100 million rpm for signal channel )

◎Can combine with multiple signals such as video, series, and Ethernet signal, etc.

◎Use optical fiber to transmit information, no leakage, no electromagnetic interference; can transmit tens of hundreds of kilometers of networking applications over long distances

◎The transmission bandwidth is much larger than the electrical connector, and it can be used to double the bandwidth with the wavelength division multiplexer.

◎Small in volume and light in weight that is easy to integrate with electric slip ring, and system is easy to upgrade and change

◎Providing the world's smallest single-channel fiber optic rotary joint, as well as double-channels, four-channels, ten-channel or even more channel for your option

◎Providing photoelectric integrated rotary joint

Typical Application

◎Robotics（robot slip ring）

◎Material conveying system

◎Rotating turret on the vehicle （turret slip ring）

◎Remote control system

◎Radar system

◎Offshore and marine system

◎High speed video, digital, analog signal transmission and control of optic fiber sensor revolving table

◎Medical system

◎Video surveillance system

◎National or international security systems

◎Subsea operating systems

LPFO Fiber Optic Rotary Joints
Single-Channel	Model	Fiber Optic    Channel	Fiber Type	Wavelength (nm)	Linsertion Loss (dB)	Insertion loss ripple(dB)	Return loss (dB)	Crosstalk (dB)	Connector    Type	Sizes (mm)	Details
	LPFO-01A	1	SM&MM	650-1650	＜2dB	＜0.5dB	＞40	/	2000	ST/FC/SC/LC,etc
	LPFO-01B	1	SM&MM	650-1650	＜2dB	＜0.5dB	＞40	/	2000	ST/FC/SC/LC,etc
	LPFO-01C	1	SM&MM	650-1650	＜3dB	＜0.5dB	＞30	/	2000	FC Jack
	LPFO-01D	1	SM&MM	650-1650	＜2dB	＜0.5dB	＞40	/	2000	ST/FC/SC/LC,etc
	LPFO-01E	1	SM&MM	850-1650	＜2dB	＜0.5dB	＞40	/	2000	ST/FC/SC/LC,etc
	LPFO-01F	1	SM&MM	650-1650	＜3dB	＜0.5dB	＞30	/	2000	ST Jack
	LPFO-01N-B	1	SM&MM	650-1650	＜3dB	＜0.5dB	＞30	/	2000	FC Jack
	LPFO-01N-E	1	SM&MM	850-1650	＜2dB	＜0.5dB	＞40	/	2000	ST/FC/SC/LC,etc
Multi-channel	LPFO-02A	2	SM&MM	850-1550	＜5dB	＜2dB	＞45	＞50	300	ST/FC/SC/LC,etc
	LPFO-02N-A	2	SM&MM	850-1550	＜4dB	＜2dB	＞40	＞45	300	ST/FC/SC/LC,etc
	LPFO-03A	3	SM&MM	850-1550	＜5dB	＜2dB	＞45	＞50	300	ST/FC/SC/LC,etc
	LPFO-03B	4	SM&MM	850-1550	＜5dB	＜2dB	＞45	＞50	300	ST/FC/SC/LC,etc
	LPFO-03N-A	3	SM&MM	850-1550	＜4dB	＜2dB	＞40	＞45	300	ST/FC/SC/LC,etc
	LPFO-04N-A	4	SM&MM	850-1550	＜4dB	＜2dB	＞40	＞45	300	ST/FC/SC/LC,etc
	LPFO-05N-A	5	SM&MM	850-1550	＜4dB	＜2dB	＞40	＞45	300	ST/FC/SC/LC,etc
	LPFO-06N-A	6	SM&MM	850-1550	＜4dB	＜2dB	＞40	＞45	300	ST/FC/SC/LC,etc
	LPFO-07N-A	7	SM&MM	850-1550	＜4dB	＜2dB	＞40	＞45	300	ST/FC/SC/LC,etc
	LPFO-07B	4-7	SM&MM	850-1550	＜5dB	＜2dB	＞45	＞50	300	ST/FC/SC/LC,etc
	LPFO-07C	2-7	SM&MM	850/1300	＜4dB	＜2dB	＞40	＞50	300	FC/SC/ST/LC (PC or APC)
	LPFO-08N-A	8	SM&MM	850-1550	＜4dB	＜2dB	＞40	＞45	300	ST/FC/SC/LC,etc
	LPFO-08N-B	8	SM&MM	850-1550	＜4dB	＜2dB	＞40	＞45	300	ST/FC/SC/LC,etc
Photoel ctric Integrated	LPC-1F1202	1	SM&MM	650-1650	＜2dB	＜0.5dB	＞40	/	300	ST/FC/SC/LC,etc
	LPC-1F2402	1	SM&MM	650-1650	＜2dB	＜0.5dB	＞40	/	300	ST/FC/SC/LC,etc

JINPAT Fiber Optic Rotary Joints coded as the FORJ series, are electrical rotary joints specially designed to pass optical signals. These slip rings are also named optical slip rings, optical rotary joints and fiber optic slip rings.

As you can see in the network development, optical signal transmission has advantages over other medium in terms of data package and transmission rate. It offers user a more efficient way of transmitting data with barely no package loss. Therefore, optical signal transmission is quite competitive also within an electromechanical system.

JINPAT Electronics is a rotary conductive transmission solution expert deeply rooted in slip ring R&D, production and sales. Fiber optic rotary joint is a very niche and potential field. JINPAT Electronics with its innovative and experienced technical team has come up with plenty of fiber optic rotary joint solutions to fit the need of different applications.

JINPAT Electronics provides both single-mode fiber optic rotary joints and multi-mode fiber optic rotary joints. The two types of slip rings vary in their compatibility with the two different optic fibers. Single-mode optical rotary joint supports transmission of optical signals with wavelength from 1310 to 1550nm while the multi-mode optical slip ring supports those from 850 to 1300nm. Our optic rotary joint features low insertion loss, and no electro-magnetic interference. With a wide bandwidth, our optical slip ring is able to transmit data in an efficient way. For more detailed parameters of our FORJs, you can browse our slip ring catalogue.   

Aside from single-mode and multi-mode, the channel number is also optional. Client can request a single channel fiber optic rotary joint or a multi-channel one. JINPAT Fiber Optic Rotary Joint takes up a very compact design. JINPAT has developed the smallest-size FORJ that can fit in small devices without taking on much weight. Our optical slip rings are very popular among costumers at home and abroad. Besides, to cater different needs of various optical devices, JINPAT fiber optic rotary joint can integrate various connectors: FC/SC/ST/LC/PC/APC.

Aside from the basic information listed above, JINPAT Fiber Optic Rotary Joints are favored also for their great flexibility to build integrated solutions. Thanks to its compact size and excellent structure, our optical slip rings can be integrated with electrical slip rings, radio frequency slip rings and also pneumatic/hydraulic rotary unions. The diversified combination enabled the integrated rotary joints to pass optical signals, power, electrical signals, fluid and gas in an uninterrupted and reliable way while maintaining a smooth 360-degree rotation.