{"product_id":"800nm-chirped-mirror-70fs","title":"800nm Chirped Mirror CM68-25.4-6.35","description":"\u003cdiv\u003e\n  \u003ch3\u003eOverview\u003c\/h3\u003e\n  \u003cp\u003eThe \u003cstrong\u003e800nm Chirped Mirror -70fs²\u003c\/strong\u003e (Ultrafast Innovations CM68) delivers precise negative group delay dispersion (GDD) of -70 fs² per bounce at 862nm center wavelength, optimized for Ti:Sapphire laser systems operating across 725–1000 nm. This moderate GDD value makes it ideal for oscillator intracavity dispersion control and multi-bounce CPA systems where fine-tuning of total dispersion is required without excessive bounce count.\u003c\/p\u003e\n  \u003cp\u003eWith -70 fs²\/bounce, this 862nm chirped mirror provides granular dispersion management—approximately 86 bounces compensate 6000 fs² of positive GVD accumulated through gain media and optics. This specification strikes an optimal balance between compact footprint and precise GDD tuning in sub-100 fs pulse compression architectures, avoiding the spatial constraints of higher-magnitude dispersive mirrors while maintaining low insertion loss.\u003c\/p\u003e\n  \n  \u003ch3\u003eApplications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTi:Sapphire oscillator intracavity dispersion compensation\u003c\/strong\u003e for sub-30 fs pulse generation with adjustable GDD through bounce number variation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eChirped pulse amplification (CPA) compressor fine-tuning\u003c\/strong\u003e in 800nm amplifier systems requiring precise negative dispersion trimming after prism or grating stages\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOPA and OPCPA pump line dispersion management\u003c\/strong\u003e for optimizing temporal overlap between pump and signal pulses in 800nm-pumped parametric systems\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMulti-pass amplifier GDD control\u003c\/strong\u003e where accumulated B-integral and material dispersion require incremental compensation across 725–1000 nm bandwidth\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eConstruction \u0026amp; Performance\u003c\/h3\u003e\n  \u003cp\u003eManufactured on 25.4 mm diameter, 6.35 mm thick UVFS substrate with ion beam sputtered (IBS) multilayer dielectric coating. Designed for P-polarization at 45° angle of incidence with \u0026gt;99.5% reflectance across the entire 725–1000 nm range. The broadband high-reflectivity coating ensures minimal loss in multi-bounce configurations while maintaining GDD compensation bandwidth. LIDT rated at 0.2 J\/cm² for femtosecond pulses, suitable for oscillator and moderate amplifier fluences.\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":47948105875610,"sku":"CM68-25.4-6.35","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_39ed14cb-4ca6-45e7-a772-9e372865d6da.png?v=1777648162","url":"https:\/\/waveqvanta.com\/products\/800nm-chirped-mirror-70fs","provider":"WaveQuanta","version":"1.0","type":"link"}