Help Finding a Simple Fiber Optic Sensor for Pressure/Temp Measurement

In summary, a simple and accurate fiber optic pressure and temperature sensor can be created with minimal equipment. Several papers have discussed its use, but the required scale and precision may vary. Utilizing Google and Wikipedia can provide helpful information on this topic.
  • #1
s_sekhar
1
0
hello

can someone suggest a simple fiber optic pressure/temperature sensor that can be constructed
...with reasonable accuracy and less equipment...

i came across a few papers about the same...but not sure about the scale and precision required...

please help

thanks
 
Last edited:
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  • #2
s sekhar, Welcome to Physics Forums!

Accurate and sensitive pressure and temperature sensors can be formed with a simple fiber optic system. Here is some background information to study:

http://en.wikipedia.org/wiki/Fiber_optic_sensor

Here is an example of an application:

“Cost-effective assembly of a basic fiber-optic hydrophone for measurement of high-amplitude therapeutic ultrasound fields”:

http://www.ncbi.nlm.nih.gov/sites/entrez?db=pubmed&cmd=link&linkname=pubmed_pubmed&uid=16583887

Suggestion: Google and Wikipedia are your friends! Learn how to use them.
 

1. What is a fiber optic sensor?

A fiber optic sensor is a device that uses optical fibers to measure physical quantities such as pressure, temperature, or strain. It works by detecting changes in the intensity, phase, or polarization of light transmitted through the fiber.

2. How does a fiber optic sensor measure pressure and temperature?

A fiber optic sensor for pressure and temperature measurement typically consists of a sensing element, a light source, and a detector. The sensing element, which is usually a diaphragm or a fiber Bragg grating, changes its properties in response to pressure or temperature. This alters the light transmitted through the fiber, which is then detected and converted into an electrical signal.

3. What are the advantages of using a fiber optic sensor for pressure and temperature measurement?

Fiber optic sensors offer several advantages over traditional sensors, including high sensitivity, immunity to electromagnetic interference, and the ability to be multiplexed for simultaneous measurement of multiple parameters. They are also smaller, lighter, and more flexible, making them ideal for use in hard-to-reach or harsh environments.

4. Are there different types of fiber optic sensors for pressure and temperature measurement?

Yes, there are several types of fiber optic sensors for pressure and temperature measurement, including Fabry-Perot, interferometric, and fiber Bragg grating sensors. Each type has its own unique properties and is suitable for different applications.

5. How can I find a simple fiber optic sensor for pressure and temperature measurement?

To find a simple fiber optic sensor for pressure and temperature measurement, you can search online for suppliers or manufacturers that specialize in fiber optic sensors. You can also consult with a scientific or engineering expert in the field for recommendations and advice on the best sensor for your specific needs.

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