31 May 2018 5 8K Report

I am looking for a simple and inexpensive method to compress my Nd:YAG nanosecond pulse laser into hundreds picosecond pulse. Please suggest me some if you know or have experience on this pulse compression issue. Thanks!

More Chalongrat Daengngam's questions See All
Alternative software to ZEMAX?

Currently my team are focusing on spectrograph & spectrometer designs using ZEMAX and we can expect that we won't have the license soon. So we are seeking for for the alternative software for...

12 June 2023 7,640 4 View

What is the best machine-learning model for counting overlapping objects?

I am developing a machine-learning model to make accurate and fast counting of metal pipe with difference cross-sectional shapes. Well-define rectangular, triangular and circular shapes are quite...

10 December 2020 2,557 4 View

Is there any method to transform spatially incoherent light to more coherent one?

I am looking for a technique or device that can transform a random-direction light collected from a scattering medium and convert into a beam with single propagation direction. Is this process...

11 September 2018 4,148 12 View

Hi Islam, the project seems very interested. Anything I could help either simulation or experiment?

I have quite a complete pulse laser labs in Thailand now including an OPO. I would love to work together like the old day. Thanks

02 November 2017 9,553 0 View

Similar questions and discussions
Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

Using OBD technique i am trying to measure laser induced shockwaves velocity i found that at start velocity increases and then decay?

i am unable to interpret why its increases in start as shown in figure

11 August 2024 2,179 1 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,227 1 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

How should operational parameters be selected when developing a pore-free laser welding technology?

There are three operating parameters - the laser power, the diameter of the focus spot and the scanning speed. It is necessary to obtain a seam of a given depth without pores. What parameter...

27 July 2024 7,168 2 View

Can we fit a gaussian Fit on a LIBS Peak ?

Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...

23 July 2024 6,127 1 View

Swerling Characteristic functions?

Hello!!! I want to implement the Swerling characteristics functions (CF) directly in MATLAB without using its Fourier integral pairs...the Swerling CFs are actually Laplace Transform of the signal...

23 July 2024 4,925 1 View

Does the bread-making process lead to a sufficient reduction in lectin activity of bean flour to guarantee food safety?

I'm currently working on the implementation of pulses (legumes) in bakery applications. In one case, pulse flours could be added to bread to increase the nutritional value. Pulses (in particular...

17 July 2024 7,293 3 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close