Is any available on a market pulse compressor for optic pulse about 1 mkm wavelength with 20 ps duration to 0.5 ps (compressor must to provide negative dispersion about 2 ps^2) ?
Changguang Satellite Technology with Aerospace Information Research Institute of Chinese Academy of Sciences set up a satellite-to-ground laser communication link 10 Gbps for 100...
11 July 2023 3,093 1 View
I need PM double clad Er, Er-Eb active fiber for C band amplifier. Can anyone suggest me a manufacturer ?
24 April 2023 9,064 0 View
The link for splicer description https://shinho.eu/s12pm/
01 April 2023 6,692 1 View
I have to make a measurement of transmission spectrums of optical filter that works under 45 degree angle of incident ray. I used two methods and got different results.
30 March 2023 3,020 0 View
I make a measurement of 793 nm beam profile from collimator that have optical fiber input with fiber core diameter 100 um (beam is very multimode). Measurement was done with two detectors: 1 -...
14 February 2023 4,280 0 View
I make a measurent of reflection of ligth absorbing coatings by PE Lambda 950 with integrating sphere with PbS detector and got the spectrum below Very high noises. Why this happen ? 1. The...
17 January 2023 6,472 10 View
HI Dear collegues! Can anyone provide me with NICHIA NUBM36 diode module illumination data file for Zemax? .dat. .ies, .ldt or else Wavelengh 450 nm or else. Thanks for help.
18 April 2022 1,181 0 View
Usually NLSE for opical pulse in fibers is used with amplificatgion in form: g = g0 / (1+ Ep/Ea) Is any model that used NLSE with pulse amplificaton in rate-equation model ? Not g= g0/(1+Ep/Ea)...
28 December 2021 3,861 0 View
I have a task to simulate optical beam profile from skewed optical fiber tip. Can Zemax simulate it ? Fiber SMF28. Skew angle 8 degree. Wavelength 1500 nm.
14 November 2019 8,990 8 View
I am running a series of path analyses using AMOS and could desperately use some help around how to control for confounding demographic variables; Q1. I have read that while some demographic...
17 September 2019 7,448 3 View
i am unable to interpret why its increases in start as shown in figure
11 August 2024 2,179 1 View
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
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
What is the cycling of matter through ecosystems and how energy drives the cycling of matter in photosynthesis and cellular respiration?
02 August 2024 9,518 2 View
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
I am currently working on a regression model for a project and considering using both Random Forest and Decision Tree algorithms. Given that Random Forest is essentially an ensemble of Decision...
23 July 2024 4,306 3 View
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
I would like to use biofilmQ to analyse confocal laser image, how can do?
16 July 2024 7,628 2 View
Hello ! I would like to do band structure calculations of perovsikites materials with quantum espresso. For this I installed the Intel Fortran compiler. This is what I get when I run the...
08 July 2024 1,207 0 View
Hi, I am trying to model laser cladding in Ansys FLUENT. There are two phase: one is base metal surrounded by an inert gas (shown in the image). I want to add a cladding layer of the same metal....
07 July 2024 1,182 8 View