6.2.5. Optical Sensing

Try these first

1. 1.

   What is optical sensing?

   Hint

   Think about how light can be used for detection.

2. 2.

   Name one advantage of optical sensing.

   Hint

   Consider what resolution means in measurement contexts.

3. 3.

   What is a key advantage of optical sensing?

   • Low cost
   • High resolution
   • Easy setup

   Hint

   Consider what makes sensing effective in critical scenarios.

4. 4.

   True or False: Optical sensing requires direct contact with the object being measured.

   • True
   • False

   Hint

   Think about how optical methods work.

5. 5.

   Design a MEMS optical sensor for use in a healthcare application. What factors must be considered for the sensor design?

   Hint

   Think about what makes healthcare applications unique.

6. 6.

   Evaluate the effectiveness of optical sensing compared to piezoelectric sensors in detecting vibrations. When might one be preferred over the other?

   Hint

   Consider the context of application when making your evaluation.