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High-resolution Fiber-optic Microendoscopy for in situ Cellular Imaging

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Published on: January 11, 2011

Optical camera communications link using an LED-coupled illuminating optical fiber.

Shivani Rajendra Teli, Klara Eollosova, Stanislav Zvanovec

|June 1, 2021

Summary

This study introduces a new wireless communication method using an optical fiber as a transmitter. It achieves flicker-free data transmission for optical camera communications, even with camera rotation.

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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Area of Science:

Optical Communications
Wireless Technology
Data Transmission

Background:

Optical camera communications (OCC) offer a promising avenue for wireless data transfer.
Existing OCC systems face limitations in transmission stability and angular flexibility.
Illuminating optical fibers present a novel approach for OCC transmitters.

Purpose of the Study:

To propose and demonstrate a novel wireless communication link utilizing an illuminating optical fiber as a transmitter in OCC.
To experimentally validate flicker-free wireless transmission within a significant off-axis camera rotation range.
To assess the system's performance under varying camera settings.

Main Methods:

Development of a proof-of-concept indoor system employing a plastic optical fiber coupled with a light-emitting diode (LED) as the transmitter.
Utilization of a commercial camera as the receiver.
Experimental testing of transmission at modulation frequencies of 300 Hz and 500 Hz with off-axis camera rotation from 0° to 45°.

Main Results:

Successful demonstration of flicker-free wireless transmission within the 0-45° off-axis camera rotation range.
Achieved 100% reception success rate with camera exposure set to 200 µs and gain at 25 dB.
Validated the feasibility of the proposed illuminating optical fiber transmitter for OCC.

Conclusions:

The proposed system effectively utilizes an illuminating optical fiber as a transmitter for optical camera communications.
The technology enables robust, flicker-free wireless data transmission with considerable angular flexibility.
This advancement holds potential for enhanced indoor wireless communication solutions.