Generated by All in One SEO v5.0.0.1, this is an llms.txt file, used by LLMs to index the site. # Mario Tonin ## Sitemaps - [XML Sitemap](https://mariotonin.me/sitemap.xml): Contains all public & indexable URLs for this website. ## Posts - [A personal document manager with machine learning](https://mariotonin.me/2025/03/a-personal-document-manager-with-machine-learning/) - I have a ridiculous problem at my home. When official letters come by, be it for taxes, salary, banking stuff, etc… I usually treat the letter, pay, read it, and then, I don’t know what to do with the letter. Can I get rid of it? Should I keep it? Till now, my option was - [Missed the rare aurora again](https://mariotonin.me/2025/01/missed-the-rare-aurora-again/) - This last year of 2024 was definitely the year of the auroras in Europe and especially in low latitudes such as France and Switzerland. With several nights where the sky turned red, a lot of people were lucky enough to see the phenomenon and photograph it. As you might now, I like the sky and - [Tsuchinshan–ATLAS comet photos album](https://mariotonin.me/2024/10/tsuchinshan-atlas-comet-photos-album/) - I have been following this new stargazer comet since the end of September. It was kind of a gamble to know if this comet would survive passing so close to the sun and survive. But thankfully, it did survive and what a spectacle it is giving us. It might not be as bright as Neowise - [Reflections on AKL 2024: The Impact of AI and Emerging Photonics Technologies](https://mariotonin.me/2024/07/reflections-on-akl-2024-the-impact-of-ai-and-emerging-photonics-technologies/) - This year at the AKL Conference was prominently marked by discussions on Artificial Intelligence (AI). The rapid advancements in AI, significantly propelled by platforms like OpenAI and ChatGPT, have captured the attention of key decision-makers in leading companies such as Trumpf and Coherent. The plenary talk particularly emphasized the potential applications, implications, and the urgent - [Methods for Cleaning Optics in the Lab and Industry](https://mariotonin.me/2024/07/methods-for-cleaning-optics-in-the-lab-and-industry/) - This post aims to provide comprehensive guidance on cleaning optical elements. While there is a wealth of information available online, particularly on suppliers' websites, I want to consolidate all the knowledge I've acquired over the years working with lasers, fiber optics, and other optical equipment, including some tips and tricks. How to Clean an Optical - [My Five-Month Journey with AI: Expectations vs Reality](https://mariotonin.me/2023/09/my-five-month-journey-with-ai-expectations-vs-reality/) - So, 5 months ago, I have written a post about Artificial Intelligence and General Artificial Intelligence. You can see the tone from my first post was very optimistic, a little too much maybe, with the hope that things would accelerate soon. I have been using AI a lot recently and I want to report on - [Raytracing in Rust!](https://mariotonin.me/2023/09/raytracing-in-rust/) - I have started a project that requires the use of a raytracer. Basically, I hope to make a library for rendering optical paths using raytracing and simulate the result that one would get by looking through the optical system. Hopefully, I would like to be able to write somewhere that I will have a couple - [How do big telescopes look through the atmosphere - Adaptative Optics 101](https://mariotonin.me/2023/04/how-do-big-telescopes-look-through-the-atmosphere-adaptative-optics-101/) - Continuing my series of post covering my talk from last Christmas about the use of lasers in space and astronomy. The topic today is adaptative optics. I'll explain the reason why we need it, and how it works in simple terms. Enjoy. No surprise: telescopes are the main tool of astronomers. Since Newton, we have - [What is the difference between a regular lamp and a laser? A brief history of Optics and Lasers](https://mariotonin.me/2023/04/what-is-the-difference-between-a-regular-lamp-and-a-laser-a-brief-history-of-optics-and-lasers/) - So this post and a bunch after this one are from a talk I presented at the end December on the topic of lasers in space and astronomy. The target the audience was members from astronomy groups in the region with some knowledge of optics but not necessarily lasers and the curious people that might - [Crepuscular rays from Neuchâtel](https://mariotonin.me/2023/04/crepuscular-rays-from-neuchatel/) - Crepuscular rays from the PreAlps, as seen from the heights near Neuchâtel. Photo taken by me, with my Fujifilm XT4 at 80mm, ISO 160, f2/8, 1/250s. 🤩 - [Artificial intelligence and the new normal](https://mariotonin.me/2023/04/artificial-intelligence-and-the-new-normal/) - Artificial intelligence is pandora's box being open in our front of our very eyes. It can be wonderful, or it can be dystopian... what will it be? - [My simple genetic algorithm in Python for polynomial curve fitting](https://mariotonin.me/2022/10/my-simple-genetic-algorithm-in-python-for-polynomial-curve-fitting/) - Take the shortest route, the one that nature plannedMarcus Aurelius, Meditations Genetic algorithms are really interesting in my opinion. Not the most efficient, but rather beautiful in the way they work. I especially like them because of the similarities that they share with life. Genetic algorithms are special kind of algorithms that work by modelling - [Diffraction patterns in astronomical imaging](https://mariotonin.me/2022/07/diffraction-patterns-in-astronomical-imaging/) - The first image from the James Webb Space Telescope (JWST) was uncover a few days ago [1]. This is truely an incredible image, showing the galactic cluster SMACS 0723, which is slowly becoming the de-facto target for newly deployed space telescopes as it was imaged by Hubble, Planck and Chandra before JWST. This image in - [Digital photonics and laser lightning rods from AKL22](https://mariotonin.me/2022/05/digital-photonics-and-laser-lightning-rods-from-akl22/) - I was at AKL 22 a couple of weeks ago: the international laser technology congress at Aachen, Germany. I was present for the interesting technology... - [SpaceX lost 38 Starlink Satellites due to a CME](https://mariotonin.me/2022/05/starlink-vs-cme/) - I wrote last year about the effect of CME on the thermospheric density and what are the effects on satellites inside the thermosphere... - [Some pictures from this winter](https://mariotonin.me/2022/05/some-pictures-from-this-winter/) - Time flies: we are already in May, and I haven't got time to even post these pictures in time... Anyway, better late than never. Pictures taken with my... - [Special blog shout-out: https://ciechanow.ski/](https://mariotonin.me/2022/05/special-blog-shout-out-https-ciechanow-ski/) - So this post is a simple shout-out to some other blog I discovered a few months ago. At the time, I was browsing hacker news and saw this post about optics. Great! I love hacker news for this. They mostly have posts about computers and programming but every now and then, there is a post - [Haidinger's Brush Or How To See Polarization](https://mariotonin.me/2022/03/haidingers-brush/) - This cross is called Haidinger’s brush (or cross), discovered by an Austrian Physicist of the same name Wilhelm Karl von Haidinger [3] in 1844... - [That Time When We Lost The Position Of Some Satellites](https://mariotonin.me/2021/11/how-we-lost-the-position-of-all-satellites-for-a-few-days/) - I wrote about Carrington events here, just a few days before the solar cycle 23 unleashed some strong storm with an X1 flare the 28th October and several... - [Laser physics: gain medium and population inversion](https://mariotonin.me/2021/11/gain-medium-and-population-inversion/) - Continuing the series on lasers. In the first part, I went fast over plenty of concepts and left others on the side because they were not necessary to get a... - [NEOWISE seen from my garden](https://mariotonin.me/2021/11/neowise/) - I know, this comet was seen 1 and a half year ago, but I didn't had a blog then, so I have to do it now... I simply wanted to show off some of my pictures I took with a simple EOS100D and a 18-55 mm zoom lens. Nothing fancy really, but it was enough - [Checking dimensions in equations](https://mariotonin.me/2021/11/checking-dimensions-in-equations/) - Short post this week. I want to talk about a simple concept that is extremely useful in physics and other fields of applied science. Especially those fields working with equations to calculate anything that has a physical meaning to it, like a speed, a voltage, a weight.. As a physics student, our teachers would usually - [An introduction on laser physics](https://mariotonin.me/2021/10/an-introduction-on-laser-physics/) - It's no surprise that lasers have become widespread nowadays. They are used in printers, display, range finders, communication, industrial applications for... - [The dangers of solar eruptions: the dreaded Carrington event](https://mariotonin.me/2021/10/on-the-dangers-of-solar-eruptions-the-dreaded-carrington-event/) - I am a fan of disaster movies. I have grown in the 90's and 00's, at a time where Hollywood started a trend of summer blockbusters that usually involved... - [A new surprising sorting algorithm](https://mariotonin.me/2021/10/a-new-surprising-sorting-algorithm/) - Just a small post today. I stumbled upon a paper on ArXiv recently on a surprising sorting algorithm that was discovered pretty recently (in October 2021)... - [How to direct lightning with a laser...](https://mariotonin.me/2021/10/how-to-direct-lightning-with-a-laser/) - Climate change is a mess. It's hotter in some places, colder in other, and in general, severe weather is intensifying with longer droughts, heavier rainfalls and stronger storms. This problem, caused mostly by our method of generation of energy relying on burning fuel and releasing carbon dioxide in the air has a few solutions, among ## Pages - [CV](https://mariotonin.me/cv/) - Download my CV in PDF format Career History 2016 - Now : Boegli Gravures SA Project Manager R&D, based in Neuchâtel, Switzerland Design of new optical paths for laser engraving machines using femtosecond and picosecond lasersSetting up, adjustment and alignment of the optical paths on laser engraving machinesImplementation of Digital optics, Spatial Light Modulators and - [About me](https://mariotonin.me/about-me/) - Hi! I am Mario Tonin, an optical system architect based in Neuchâtel, Switzerland, with 10 years of experience in optics and photonics, both in a research and in an industrial setting. I especially enjoy working on complex tasks in a laboratory where extreme precision is required. My main drive is to identify promising new technologies - [Download CV](https://mariotonin.me/download-cv/) - Download my CV here... - [Contact me](https://mariotonin.me/contact/) - If you want to contact me, the simplest way is to use the form bellow... - [Publications](https://mariotonin.me/publications/) - This is a list of all my publications in peer reviewed journals and conference journals, most of them done in my PhD years... If the papers are not open access, remember that you can use sci-hub to download them using the title, or the doi number. Download the list in PDF format 2017 - Resonant - [Download publication list](https://mariotonin.me/download-publication-list/) - [Optics & Photonics](https://mariotonin.me/optics-photonics/) - [Astronomy & Space](https://mariotonin.me/astronomy-and-space/) - [Miscellaneous](https://mariotonin.me/miscellaneous/) - [Programming](https://mariotonin.me/programming/) - [Photography](https://mariotonin.me/photography/) - [General Physics & Maths](https://mariotonin.me/general-physics-and-maths/) - [](https://mariotonin.me/alternative-homepage/) - Hello worldI'm an optical engineer, with a PhD in photonics, yadda yadda About me If you click on the Category tab, you will find a list of all my posts arrange according to different categories. List of posts - [Categories](https://mariotonin.me/categories/) - These are just a few of my interests... Optics & Photonics Anything related to lasers, optical systems and really anything involving a photon at some point or another. General Physics & Maths Some stuff related to physics that I used to teach (as a PhD student, not a professor) at EPFL. Astronomy & Space I - [Page test categorie A](https://mariotonin.me/page-test-categorie-a/) ## Categories - [Uncategorized](https://mariotonin.me/category/uncategorized/) - [Optics](https://mariotonin.me/category/optics/) - [Astronomy](https://mariotonin.me/category/astronomy/) - [Photography](https://mariotonin.me/category/photography/) - [Physics](https://mariotonin.me/category/physics/) - [Miscellaneous](https://mariotonin.me/category/miscellaneous/) - [Opinion](https://mariotonin.me/category/opinion/) - [Programming](https://mariotonin.me/category/programming/) ## Tags - [femtosecond laser](https://mariotonin.me/tag/femtosecond-laser/) - [laser](https://mariotonin.me/tag/laser/) - [thunder](https://mariotonin.me/tag/thunder/) - [laser lightning rod](https://mariotonin.me/tag/laser-lightning-rod/) - [lightning](https://mariotonin.me/tag/lightning/) - [windmill](https://mariotonin.me/tag/windmill/) - [windfarm](https://mariotonin.me/tag/windfarm/) - [lightning rod](https://mariotonin.me/tag/lightning-rod/) - [sorting](https://mariotonin.me/tag/sorting/) - [python](https://mariotonin.me/tag/python/) - [algorithm](https://mariotonin.me/tag/algorithm/) - [arXiv](https://mariotonin.me/tag/arxiv/) - [numpy](https://mariotonin.me/tag/numpy/) - [solar](https://mariotonin.me/tag/solar/) - [solar eruption](https://mariotonin.me/tag/solar-eruption/) - [aurora](https://mariotonin.me/tag/aurora/) - [sunspots](https://mariotonin.me/tag/sunspots/) - [Carrington event](https://mariotonin.me/tag/carrington-event/) - [Carrington](https://mariotonin.me/tag/carrington/) - [CME](https://mariotonin.me/tag/cme/) - [coronal mass ejection](https://mariotonin.me/tag/coronal-mass-ejection/) - [space](https://mariotonin.me/tag/space/) - [physics](https://mariotonin.me/tag/physics/) - [gain medium](https://mariotonin.me/tag/gain-medium/) - [amplification](https://mariotonin.me/tag/amplification/) - [equations](https://mariotonin.me/tag/equations/) - [dimensions](https://mariotonin.me/tag/dimensions/) - [neowise](https://mariotonin.me/tag/neowise/) - [astrophotography](https://mariotonin.me/tag/astrophotography/) - [reflex](https://mariotonin.me/tag/reflex/) - [comet](https://mariotonin.me/tag/comet/) - [gain](https://mariotonin.me/tag/gain/) - [atomic level](https://mariotonin.me/tag/atomic-level/) - [population inversion](https://mariotonin.me/tag/population-inversion/) - [lasing condition](https://mariotonin.me/tag/lasing-condition/) - [satellites](https://mariotonin.me/tag/satellites/) - [thermosphere](https://mariotonin.me/tag/thermosphere/) - [LEO](https://mariotonin.me/tag/leo/) - [solar cycle](https://mariotonin.me/tag/solar-cycle/) - [vision](https://mariotonin.me/tag/vision/) - [polarization](https://mariotonin.me/tag/polarization/) - [eye](https://mariotonin.me/tag/eye/) - [Haidinger's brush](https://mariotonin.me/tag/haidingers-brush/) - [retina](https://mariotonin.me/tag/retina/) - [blog](https://mariotonin.me/tag/blog/) - [photography](https://mariotonin.me/tag/photography/) - [mountains](https://mariotonin.me/tag/mountains/) - [birds](https://mariotonin.me/tag/birds/) - [trees](https://mariotonin.me/tag/trees/) - [snow](https://mariotonin.me/tag/snow/) - [sunset](https://mariotonin.me/tag/sunset/) - [SpaceX](https://mariotonin.me/tag/spacex/) - [Starlink](https://mariotonin.me/tag/starlink/) - [conference](https://mariotonin.me/tag/conference/) - [akl22](https://mariotonin.me/tag/akl22/) - [photonics](https://mariotonin.me/tag/photonics/) - [digital](https://mariotonin.me/tag/digital/) - [JWST](https://mariotonin.me/tag/jwst/) - [optics](https://mariotonin.me/tag/optics/) - [diffraction](https://mariotonin.me/tag/diffraction/) - [Simulation](https://mariotonin.me/tag/simulation/) - [curve fitting](https://mariotonin.me/tag/curve-fitting/) - [atmospheric optics](https://mariotonin.me/tag/atmospheric-optics/) - [XT4](https://mariotonin.me/tag/xt4/) - [AI](https://mariotonin.me/tag/ai/) - [Zemax](https://mariotonin.me/tag/zemax/) - [Code V](https://mariotonin.me/tag/code-v/) - [futurism](https://mariotonin.me/tag/futurism/) - [Midjourney](https://mariotonin.me/tag/midjourney/) - [ChatGPT](https://mariotonin.me/tag/chatgpt/) - [StableDiffusion](https://mariotonin.me/tag/stablediffusion/) - [talk](https://mariotonin.me/tag/talk/) - [Caudry](https://mariotonin.me/tag/caudry/) - [Club Astro Caudry](https://mariotonin.me/tag/club-astro-caudry/) - [Rust](https://mariotonin.me/tag/rust/) - [Raytracing](https://mariotonin.me/tag/raytracing/) - [cleaning](https://mariotonin.me/tag/cleaning/) - [laboratory](https://mariotonin.me/tag/laboratory/) - [AKL](https://mariotonin.me/tag/akl/) - [Cyberphotonics](https://mariotonin.me/tag/cyberphotonics/) - [timelapse](https://mariotonin.me/tag/timelapse/) - [machine learning](https://mariotonin.me/tag/machine-learning/)