Z-Scan Transmission Curve Explained

In summary, the conversation discusses the topic of z scan and its use in studying non-linear optical behavior. The participants express confusion and suggest the need for more specific information in order to answer the question. A paper is referenced which provides a comprehensive overview of z scan and includes a discussion on transmission curves.
  • #1
photons
5
0
hai , anybody interested in z scan ?
please explain the transmission curve for zscan
 
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  • #2
Your question is very vague, try to be more specific with what you are asking.

First of all, what is z scan, is it a program, or do you actually mean a scan along the z direction of something. If so, what are you scanning? What is the z direction?

If we don't know what you mean by zscan, how can we answer your question?

Claude.
 
  • #3
I completely agree with Claude. In some cases though (and this might be one), if you are not familiar with the terminology, you most likely won't know what this is about.

Z-Scan is a technique used by spectroscopists, usually to study non-linear optical behavior (I think mostly in mesoscopic systems).
 
  • #4
I did a search and found some info on z scan, it is a fairly active area of research at the moment (A quick google verified this).

This paper had a fairly comprehensive overview of z scan, including a discussion on the transmission curves (figure 3a). Have a look at this paper and if you have further questions, post them here.

Here is the link: http://www.lana.lt/journal/17/Dementev.pdf

Claude.
 

1. What is a Z-Scan transmission curve?

A Z-Scan transmission curve is a graph that shows the relationship between the transmission of light through a material and the position of the focal plane. It is used to determine the optical properties of a material, such as its refractive index and absorption coefficient.

2. How is a Z-Scan transmission curve measured?

A Z-Scan transmission curve is measured by placing the material to be tested in the path of a laser beam and scanning the focal point through the material. The amount of light transmitted through the material is then measured at each position of the focal plane, and these values are plotted on a graph to create the Z-Scan curve.

3. What information can be obtained from a Z-Scan transmission curve?

A Z-Scan transmission curve can provide information about the optical properties of a material, such as its refractive index, absorption coefficient, and nonlinear optical properties. It can also be used to determine the thickness and concentration of a sample, and to detect the presence of impurities or defects in the material.

4. What are the advantages of using a Z-Scan transmission curve?

One of the main advantages of using a Z-Scan transmission curve is that it is a non-destructive and non-invasive technique, meaning that the material being tested is not altered or damaged during the measurement process. Additionally, it is a quick and relatively simple method for determining the optical properties of a material.

5. In what fields of science is a Z-Scan transmission curve commonly used?

Z-Scan transmission curves are commonly used in various fields of science, including optics, materials science, chemistry, and physics. They have applications in the study of new materials, the development of photonic devices, and in the characterization of optical properties for use in industries such as telecommunications and solar energy.

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