What are the most important applications of second-harmonic generation (frequency doubling)?

01 January 1970 0 6K Report

In additional to converts the light of one particular angular frequency to light at exactly double that frequency so the wavelength is halved.

Badges
Science topic

More Zahraa S. Shanon's questions See All

List of journals in optics and laser ?

Dear colleagues,Could you please suggest me some rapid publication ISI journal list in Optics, Crystal growth, laser with good impact factor (rapid publication)? and have scopus , thomson reuters...

01 February 2018 5,498 2 View

Can we prepare a thin film of unknown concentration?

I have an unknown concentration of Chemical solution, can we prepare a thin film from it.

01 February 2018 2,485 0 View

If we want to prove that the thin film behaves like a sensor what is the most Factors that I need to measure?

I want the way and the method to prove that the thin film is a sensor.

31 December 2017 6,433 0 View

Can you suggest some articles for a better understanding of the basic methods for preparing a sensor?

I'm looking for articles that will give me understanding on the methods of preparing a sensor.

31 December 2017 9,055 0 View

Which one of the laser dyes can produce second harmonic generation?

Anyone have an idea about the laser dyes that produced the SHG.

31 December 2017 4,824 0 View

What are the conditions that effected on the polymer ?

what are the conditions that effected on the polymer ?

08 September 2017 6,883 0 View

What are the different between the Q-switching and the frequency doubler by the electro optical photonics crystals?

I want to know how can I distinguish between these methods

03 April 2017 7,466 1 View

How can I minimized the walk off rays during the Q-Switching operation by LBO crystal ?

The walk off is the phenomenon that the intensity distribution of a beam in an anisotropic crystal drifts away from the direction of the wave vector .

01 January 1970 8,741 6 View

What is the optical method to measure the thickness of the sample (thin film , polymer and crystal)?

I want to know about the optical method to measure the thickness of the sample (thin film, polymer, and crystal)? and what is the parameter that we need to measure it?

01 January 1970 8,701 2 View

Is there another method (not the Z-scan technique) to measurement the nonlinear optical properties of crystals?

I want to learn a new method to measurement the nonlinear optical properties of crystals .

01 January 1970 9,450 2 View

Controlling for pupil light reflex when analyzing pupil size time course?

I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...

10 August 2024 3,229 0 View

How to confirm the site-directed mutagenesis result without performing NGS?

I'm cloning a fragment of 3200 nts into plasmid. The cloning was successful, however, 02 amino acids were mutated. Now I want to fix these 02 aa by site-directed mutagenesis technique using...

08 August 2024 4,645 2 View

Z-average size from Dynamic Light scattering can it be lower than the original probe size?

Hi everyone, Recently I have been conducting Dynamic Light scattering experiments in a micellar solution at 5 and gel at 37 degrees of Celsius with latex particles of diameter 190-500 nm. While...

01 August 2024 1,168 4 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 View

Aqua regia not heating up?

I used Aqua regia to clean Au nanoparticles in the used glassware. But for some reasons, it is not heating up upon mixing. The color did change from no color to light orange. The Au NPs on the...

25 July 2024 4,390 0 View

I found the zeta potential of exosomes in DLS and it was -8mv. So is it correct or not ?

What should be the zeta potential of bovine milk exosomes

25 July 2024 7,376 5 View

Comparing Liposome Size: DLS Measurement vs. SEM Observation with Air Drying ?

I have an issue with SEM imaging of liposomes. When measured by DLS, they appear to be around 120 nm, but when using SEM with simple air drying, they appear much larger, around one micrometer.

25 July 2024 3,395 3 View

Can anyone kindly suggest research topics in the area of thermodynamics, heat transfer, fluid mechanics or renewable energy?

I am an undergraduate mechanical engineering student seeking suggestions on topics related to either thermodynamics, fluid mechanics, heat transfer or renewable energy for my final year project....

24 July 2024 4,058 5 View

Are there always been barcodes, apapters and primer sequences in the FASTQ files of NGS?

Hello researchers, Sorry for my stupid question. I am learning the QIIME2 workflow for analyzing some 16s amplicon NGS fastq data. I found a very nice paper with data and code public available...

20 July 2024 5,405 2 View

Did Einstein misunderstand the photo-electric effect?

Photo-electric effect A light particle moving towards a surface cannot (by collision) force an electron particle to move away from that surface. A light wave can instead make interference with a...

19 July 2024 8,389 9 View