Optical fiber transmitter and receiver (photodarlington)

In summary, an optical fiber transmitter and receiver, also known as a photodarlington, is a device used to transmit and receive information through optical fibers. It converts electrical signals into light signals for transmission and vice versa. The transmitter uses an electrical signal to drive a light-emitting element, which is then sent through the fiber and received by a photodetector. This technology has advantages such as longer transmission distance, higher bandwidth, and less susceptibility to interference. It is commonly used in telecommunications, medical imaging, security systems, and industrial applications. However, it can be more expensive and requires specialized equipment for installation and repair, and is sensitive to bends and breaks in the fiber.
  • #1
electro-man
6
0
Hello,

How can we convert parallel-to-serial address and send it as an optical signal?

Have a look at the link below if you folks don't know what I mean - the last (3-4 lines) paragraph of the pdf file:

http://www.hep.yorku.ca/menary/courses/electronics/3150/lab_manual/opt.pdf

Waiting for a response!

Thanks.
 
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  • #2
I think what they're looking for is a shift register that can be used for parallel-in/serial-out.

Regards
Don
 
  • #3


Hello,

Thank you for your question. To convert a parallel-to-serial address and send it as an optical signal, you will need an optical fiber transmitter and receiver, also known as a photodarlington. The transmitter is responsible for converting the parallel address into a serial signal, which is then converted into an optical signal and transmitted through the optical fiber. The receiver, on the other hand, receives the optical signal and converts it back into a serial signal, which is then decoded into the original parallel address.

In the last paragraph of the PDF file you provided, it mentions that the transmitter uses a parallel-to-serial converter to convert the parallel address into a serial signal, which is then amplified and used to modulate the intensity of the light emitted by the LED. This modulated light is then transmitted through the optical fiber to the receiver. The receiver then uses a photodiode to detect the light and convert it back into an electrical signal, which is then decoded into the original parallel address.

I hope this helps to clarify how a parallel-to-serial address can be sent as an optical signal. Let me know if you have any further questions. Thank you.
 

1. What is an optical fiber transmitter and receiver?

An optical fiber transmitter and receiver, also known as a photodarlington, is a device used to transmit and receive information through optical fibers. It converts electrical signals into light signals for transmission through the fiber, and then converts the light signals back into electrical signals at the receiving end.

2. How does an optical fiber transmitter and receiver work?

The transmitter uses an electrical signal from a source, such as a computer or phone, to drive a light-emitting element, typically a laser or LED. The light is then sent through the optical fiber, which acts as a waveguide, and is received by the photodetector in the receiver. The photodetector then converts the light signal back into an electrical signal for the receiving device.

3. What are the advantages of using optical fiber transmitters and receivers?

Optical fiber transmitters and receivers have several advantages over traditional copper wires. They can transmit data over longer distances without losing signal strength, have a higher bandwidth capacity, and are less susceptible to interference. They are also smaller and lighter, making them easier to install and maintain.

4. What are the applications of optical fiber transmitters and receivers?

Optical fiber transmitters and receivers are commonly used in telecommunications, such as in long-distance telephone and internet communication. They are also used in medical imaging, security systems, and industrial applications where high-speed data transmission is required.

5. Are there any limitations to using optical fiber transmitters and receivers?

While optical fiber transmitters and receivers have many advantages, they also have some limitations. They can be more expensive to install and maintain compared to copper wires, and they require specialized equipment for installation and repair. They are also sensitive to bends and breaks in the fiber, which can result in signal loss.

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