{"product_id":"800nm-chirped-mirror-275fs-1","title":"800nm Chirped Mirror HD58-50.8-12.7","description":"\u003cdiv\u003e\n  \u003ch3\u003eOverview\u003c\/h3\u003e\n  \u003cp\u003eThe \u003cstrong\u003e800nm Chirped Mirror -275fs²\u003c\/strong\u003e (Ultrafast Innovations HD58) delivers mid-range negative group delay dispersion (GDD) of -275 fs² per bounce, optimized for 785nm center wavelength operation across a 690–880 nm bandwidth. This \u003cstrong\u003e785nm chirped mirror\u003c\/strong\u003e provides efficient GDD compensation for Ti:Sapphire oscillators, regenerative amplifiers, and OPCPA systems requiring dispersion control in the hundreds-to-thousands fs² regime without excessive bounce count.\u003c\/p\u003e\n  \u003cp\u003eAt -275 fs² per reflection, this mirror occupies a strategic position between ultra-low-GDD pulse shapers and high-dispersion external compressors. Compensating 6000 fs² of accumulated positive dispersion requires approximately 22 bounces, making it ideal for compact CPA stretcher\/compressor configurations and intracavity dispersion management where space constraints limit the number of reflections. The broadband 690–880 nm coating ensures compatibility with wavelength-tunable sources and supercontinuum generation setups.\u003c\/p\u003e\n  \n  \u003ch3\u003eApplications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTi:Sapphire CPA systems:\u003c\/strong\u003e External pulse compression and stretcher assemblies for femtosecond amplifiers operating between 750–850 nm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRegenerative amplifier dispersion control:\u003c\/strong\u003e GVD compensation for multi-pass cavity configurations and intracavity pulse management\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOPA\/OPCPA pump line optimization:\u003c\/strong\u003e Pre-compression of 800 nm pump pulses to maximize nonlinear conversion efficiency in parametric amplification\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOscillator output compression:\u003c\/strong\u003e Fine-tuning pulse duration from mode-locked Ti:Sapphire lasers with moderate stretching from intracavity elements\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eConstruction \u0026amp; Performance\u003c\/h3\u003e\n  \u003cp\u003eManufactured on 50.8 mm diameter × 12.7 mm thick UVFS substrate with ion beam sputtered (IBS) multilayer dielectric coating. Delivers R \u0026gt; 99.5% reflectance across the full 690–880 nm operational range at 7° angle of incidence (AOI) for P-polarized light. The IBS coating process ensures sub-nanometer layer thickness control critical for maintaining the designed GDD profile and minimizing higher-order dispersion ripple. LIDT rated at 0.2 J\/cm² for femtosecond pulses, suitable for moderate-energy ultrafast laser systems.\u003c\/p\u003e\n  \n  \u003ch3\u003eStorage \u0026amp; Handling\u003c\/h3\u003e\n  \u003cp\u003eOperate at 25 °C, 40–60% RH. Clean only with \u0026gt;99% optical-grade ethanol and lint-free lens tissue using single-pass drag method. Avoid abrasive cloths and water.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ultrafast Innovations","offers":[{"title":"Default Title","offer_id":47948106530970,"sku":"HD58-50.8-12.7","price":1046.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/800nm-chirped-mirror-render_238ee284-383b-4f10-a8f2-11a068e080e4.png?v=1777648120","url":"https:\/\/waveqvanta.com\/products\/800nm-chirped-mirror-275fs-1","provider":"WaveQuanta","version":"1.0","type":"link"}