{"product_id":"800nm-chirped-mirror-150fs","title":"800nm Chirped Mirror HD2222-25.4-6.35","description":"\u003cdiv\u003e\n  \u003ch3\u003eOverview\u003c\/h3\u003e\n  \u003cp\u003eThe \u003cstrong\u003e800nm Chirped Mirror -150fs²\u003c\/strong\u003e (Ultrafast Innovations HD2222, 25.4mm diameter) delivers precise negative group delay dispersion (GDD) of -150 fs² per bounce across the 700–900 nm wavelength range, optimized for Ti:Sapphire laser systems operating at 800nm. This moderate GDD value enables fine-tuned dispersion compensation in chirped pulse amplification (CPA) systems and ultrafast oscillators where sub-100 femtosecond pulse durations are required.\u003c\/p\u003e\n  \u003cp\u003eWith -150 fs² per reflection, this 800nm chirped mirror provides practical bounce counts for typical cavity designs: compensating 3000 fs² of positive GVD requires only 20 bounces, while 6000 fs² compensation needs 40 bounces. This GDD magnitude strikes an optimal balance between compact optical layouts and sufficient dispersion control authority, avoiding the unwanted higher-order dispersion that accumulates with excessive bounce counts on more aggressive chirped mirror designs.\u003c\/p\u003e\n  \n  \u003ch3\u003eApplications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTi:Sapphire oscillator intracavity dispersion management\u003c\/strong\u003e – fine compensation of gain medium and air path GVD for sub-30 fs pulse generation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCPA stretcher\/compressor optimization\u003c\/strong\u003e – residual dispersion correction in regenerative and multipass amplifier architectures at 800nm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOPCPA pump line conditioning\u003c\/strong\u003e – temporal pulse shaping for Ti:Sapphire pump lasers driving optical parametric chirped pulse amplification systems\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExternal compression stages\u003c\/strong\u003e – post-amplifier GDD compensation without transmission losses or spatial chirp from prism\/grating compressors\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eConstruction \u0026amp; Performance\u003c\/h3\u003e\n  \u003cp\u003eIon beam sputtered (IBS) multilayer dielectric coating on UV-fused silica (UVFS) substrate delivers \u0026gt;99% reflectance across the full 700–900 nm bandwidth. P-polarization optimized at 5° angle of incidence (AOI) ensures maximum reflectivity and minimal phase distortion. The 6.35mm thickness provides excellent mechanical stability while maintaining thermal dissipation capability for 0.2 J\/cm² laser-induced damage threshold with femtosecond pulses. UVFS substrate exhibits negligible bulk dispersion and superior thermal shock resistance for demanding ultrafast laser environments.\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":47948106465434,"sku":"HD2222-25.4-6.35","price":854.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/800nm-chirped-mirror-render_bc7b2644-93bf-4857-a872-d983168c333a.png?v=1777648126","url":"https:\/\/waveqvanta.com\/products\/800nm-chirped-mirror-150fs","provider":"WaveQuanta","version":"1.0","type":"link"}