--- title: Yellow YAG Produces Powerful Pulses In Les’ Leftover Laser description: A hobbyist experimenting with Nd:YAG lasers for tattoo removal tested a cerium-doped yellow YAG rod (Nd:Ce:YAG) that a retailer claimed would boost efficiency... canonical: https://daily.dev/posts/yellow-yag-produces-powerful-pulses-in-les-leftover-laser-vpuy0ey4c twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Yellow YAG Produces Powerful Pulses In Les’ Leftover Laser | daily.dev og:description: A hobbyist experimenting with Nd:YAG lasers for tattoo removal tested a cerium-doped yellow YAG rod (Nd:Ce:YAG) that a retailer claimed would boost efficiency... og:url: https://daily.dev/posts/yellow-yag-produces-powerful-pulses-in-les-leftover-laser-vpuy0ey4c og:image: https://api.daily.dev/og/posts/Vpuy0ey4C.png og:image:alt: Yellow YAG Produces Powerful Pulses In Les’ Leftover Laser og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Yellow YAG Produces Powerful Pulses In Les’ Leftover Laser **[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 0 upvotes · 0 comments ## Summary A hobbyist experimenting with Nd:YAG lasers for tattoo removal tested a cerium-doped yellow YAG rod (Nd:Ce:YAG) that a retailer claimed would boost efficiency by 30-50%. The results exceeded expectations: output more than doubled from 72.8 mJ to 153 mJ per pulse. The efficiency gain comes from cerium atoms absorbing broadband flashlamp energy and transferring it to neodymium ions via fluorescence. As a bonus, cerium also acts as a UV shield, protecting the crystal from flashlamp degradation and extending rod lifespan — making it a straightforward upgrade over standard Nd:YAG rods. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Making LEDs In The Home Fab](https://daily.dev/posts/making-leds-in-the-home-fab-pdmlg9v8c) · Hackaday · 1 upvotes · 1 comments - [Any Color You Like: NIST Scientists Create ‘Any Wavelength’ Lasers in Tiny Circuits for Light](https://daily.dev/posts/any-color-you-like-nist-scientists-create-any-wavelength-lasers-in-tiny-circuits-for-light-pyiyaxusb) · Hacker News · 0 upvotes · 0 comments - [Slowing down muon decay with short laser pulses](https://daily.dev/posts/slowing-down-muon-decay-with-short-laser-pulses-d2dvwcg7i) · Phys.org · 0 upvotes · 0 comments - [Cavity-enhanced optical readout and control of nuclear spin qubits](https://daily.dev/posts/cavity-enhanced-optical-readout-and-control-of-nuclear-spin-qubits-hwzzir4hq) · Nature · 0 upvotes · 0 comments - [Self-organizing “pencil beam” laser could help scientists design brain-targeted therapies](https://daily.dev/posts/self-organizing-pencil-beam-laser-could-help-scientists-design-brain-targeted-therapies-nnktmwkhj) · MIT News · 0 upvotes · 0 comments --- Tags: [#hardware](https://daily.dev/tags/hardware) [View this post on daily.dev](https://daily.dev/posts/yellow-yag-produces-powerful-pulses-in-les-leftover-laser-vpuy0ey4c) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Yellow YAG Produces Powerful Pulses In Les’ Leftover Laser","url":"https://daily.dev/posts/yellow-yag-produces-powerful-pulses-in-les-leftover-laser-vpuy0ey4c","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/yellow-yag-produces-powerful-pulses-in-les-leftover-laser-vpuy0ey4c"},"datePublished":"2026-08-04T08:14:08.110Z","dateModified":"2026-08-04T08:14:29.465Z","description":"A hobbyist experimenting with Nd:YAG lasers for tattoo removal tested a cerium-doped yellow YAG rod (Nd:Ce:YAG) that a retailer claimed would boost efficiency...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/ea3eca916fa9abff1ef916e36214318e?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/ea3eca916fa9abff1ef916e36214318e?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Hackaday","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hackaday","logo":"https://media.daily.dev/image/upload/s--JhDfhy70--/f_auto,q_auto/v1767541814/logos/hackaday","url":"https://daily.dev/sources/hackaday"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/yellow-yag-produces-powerful-pulses-in-les-leftover-laser-vpuy0ey4c","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"hardware","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hackaday","item":"https://daily.dev/sources/hackaday"},{"@type":"ListItem","position":3,"name":"Yellow YAG Produces Powerful Pulses In Les’ Leftover Laser"}]} ```