{"product_id":"800nm-chirped-mirror-65fs-1","title":"800nm Chirped Mirror CM1483-25.4-6.35","description":"\u003cdiv\u003e\n  \u003ch3\u003eOverview\u003c\/h3\u003e\n  \u003cp\u003eThe \u003cstrong\u003e800nm Chirped Mirror -65fs²\u003c\/strong\u003e (Ultrafast Innovations CM1483) delivers moderate negative group delay dispersion (GDD) of -65 fs² per bounce at 775nm center wavelength, optimized for Ti:Sapphire oscillator cavities and CPA systems requiring precise sub-100 fs pulse compression. This \u003cstrong\u003e775nm chirped mirror\u003c\/strong\u003e provides \u003cstrong\u003eGDD compensation\u003c\/strong\u003e across the 650–900 nm spectral range with \u0026gt;99.7% broadband reflectance, making it ideal for intracavity dispersion control in mode-locked lasers and multi-pass compressor stages.\u003c\/p\u003e\n  \u003cp\u003eThe -65 fs² GDD value positions this chirped mirror as a workhorse component for standard Ti:Sapphire systems, where approximately 15–25 bounces provide dispersion compensation for typical cavity optics and gain media. Unlike ultra-low GDD mirrors requiring numerous reflections or high-GDD mirrors with limited bandwidth, this moderate GDD enables compact compressor geometries while maintaining broad spectral coverage essential for sub-30 fs pulse generation.\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 6–12 bounces compensate for positive GDD from gain crystal and output couplers in mode-locked laser cavities\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eChirped pulse amplification (CPA) pre-compression:\u003c\/strong\u003e Multi-bounce configurations fine-tune spectral phase before Ti:Sapphire regenerative or multipass amplifiers\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOPCPA pump line dispersion control:\u003c\/strong\u003e Manages temporal broadening of 800 nm pump pulses in optical parametric chirped pulse amplification systems\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTwo-photon microscopy pulse optimization:\u003c\/strong\u003e External compressor for delivering transform-limited 80–100 fs pulses at tissue target planes\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 UV-fused silica (UVFS) substrates with ion beam sputtered (IBS) multilayer dielectric coatings. The design delivers R\u0026gt;99.7% reflectance from 650–900 nm at 0° angle of incidence for P-polarization. GDD remains stable at -65 ± 10 fs² across the 750–800 nm range. The precision IBS coating ensures \u0026lt;0.5% GDD oscillation for minimal higher-order dispersion, critical for maintaining pulse fidelity in ultrafast laser systems. LIDT specification of 0.2 J\/cm² supports operation with focused femtosecond pulses in amplifier beam paths.\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":47948105744538,"sku":"CM1483-25.4-6.35","price":610.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/800nm-chirped-mirror-render_aeea20e8-78cd-4688-a347-89a62c8b5482.png?v=1777648167","url":"https:\/\/waveqvanta.com\/products\/800nm-chirped-mirror-65fs-1","provider":"WaveQuanta","version":"1.0","type":"link"}