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Questions and Answers
Which method is used to achieve stable entrapment of optical dyes in the thread-based devices?
Which method is used to achieve stable entrapment of optical dyes in the thread-based devices?
- Soaking the thread in water
- Soaking the thread in dye solution
- Treating the thread with wax coating
- Treating the thread with acetic acid (correct)
What is the purpose of the acetic acid treatment?
What is the purpose of the acetic acid treatment?
- To roughen the surface of the thread fibers (correct)
- To enhance the color of the dye
- To increase the diameter of the thread
- To remove the dye solution from the thread
What effect does soaking the thread in acetic acid have on the thread diameter?
What effect does soaking the thread in acetic acid have on the thread diameter?
- It depends on the type of dye used
- It increases the thread diameter (correct)
- It has no effect on the thread diameter
- It decreases the thread diameter
How many dip and dry steps are involved in the fabrication process?
How many dip and dry steps are involved in the fabrication process?
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What is the purpose of soaking the original thread material in dye solution?
What is the purpose of soaking the original thread material in dye solution?
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