1. What is nanophotonics? Give an example of a manifestation of nanophotonics. 2. What are free...

1. What is nanophotonics? Give an example of a manifestation of nanophotonics.

2. What are free carriers in plasmonic semiconductor nanocrystals?

3. What is the main difference between surface plasmon resonance (SPR) and localized surface plasmon resonance (LSPR)?

please answer ALL THREE questions with detailed answers! please have legible handwrtting if handwritten.

Thank you!!!

Expert Solution

1.

Nanophotonics is a field of science and technology which uses the peculiar properties of light and light-matter interaction in various nanostructures. It can also defined as the science and technology of confined light waves and electron waves. Nnaophotonics is used in sensing technology including imaging sensor (including night vision as well as long wave and mid-wave infrared sensors), chemical sensors, biosensing and advanced spectroscopy for sensing and material characterization.

2. Plasmons are free carriers in plasmonic semiconductor nanocrystals. It is a quantum of plasma oscillation. Just as light (an optical oscillation) consists of photons, the plasma oscillation consists of plasmons.

3.

(i) The optical hardware needed for LSPR is much less complex since no prism is needed to couple the light, so the instrument can be made smaller and more affordable.

(ii) Since the angle is not important in LSPR, the instrument is much more robust against vibration and mechanical noise.

(iii) LSPR doesn't need strict temperature control which simplifying the instrument than SPR.

(iv) LSPR is easier to use and maintain than SPR.

I will be glad to see your comment if you have any query and thumb up if you are satisfied. Thanks...

genius_generous answered 1 year ago

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1. What is nanophotonics? Give an example of a manifestation of nanophotonics. 2. What are free...

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