{"product_id":"800nm-chirped-mirror-70fs-2","title":"800nm Chirped Mirror PC1451-L-12.7-6.35-R-50","description":"\u003cdiv\u003e\n  \u003ch3\u003eOverview\u003c\/h3\u003e\n  \u003cp\u003eThe \u003cstrong\u003e800nm Chirped Mirror -70fs² (PC1451)\u003c\/strong\u003e from Ultrafast Innovations delivers precise negative group delay dispersion (GDD) of -70 fs² per bounce across the 650–1000 nm spectral range, centered at 825 nm. This broadband dispersive mirror (BBDM) provides moderate dispersion compensation ideal for Ti:Sapphire oscillator intracavity management and compact CPA systems where space constraints limit the number of bounces available.\u003c\/p\u003e\n  \u003cp\u003eWith its -70 fs² GDD value, this \u003cstrong\u003e825nm chirped mirror\u003c\/strong\u003e sits in the sweet spot for standard ultrafast laser configurations requiring moderate GDD compensation without excessive reflections. Compensating typical Ti:Sapphire amplifier dispersions of 5,000–7,000 fs² requires 70–100 bounces, making compact double-pass or folded architectures practical. The 99.8% reflectance across the entire 650–1000 nm bandwidth ensures minimal intracavity losses while maintaining excellent GDD uniformity for sub-50 fs pulse durations.\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 — compensates positive GVD from gain media and optical elements in sub-20 fs mode-locked systems\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact CPA stretcher\/compressor stages\u003c\/strong\u003e — folded mirror configurations for table-top femtosecond amplifiers with limited optical path length\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOPCPA pump line chirp correction\u003c\/strong\u003e — pre-compensates dispersion in 800 nm pump beams before parametric amplification stages\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOPA signal path GDD control\u003c\/strong\u003e — fine-tunes group delay in optical parametric amplifier output channels spanning 700–950 nm\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eConstruction \u0026amp; Performance\u003c\/h3\u003e\n  \u003cp\u003eManufactured on 12.7 mm diameter × 6.35 mm thick UVFS substrate, the PC1451 features ion beam sputtered (IBS) multilayer dielectric coatings optimized for P-polarization at 5° angle of incidence (AOI). The coating specification guarantees R \u0026gt; 99.8% from 650–1000 nm with laser damage threshold of 0.2 J\/cm² for femtosecond pulses. The broadband design maintains GDD compensation performance across the full Ti:Sapphire gain spectrum, enabling octave-spanning pulse compression applications.\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":47948106989722,"sku":"PC1451-L-12.7-6.35-R-50","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_a39775a1-4441-4518-a348-b7a357ef933f.png?v=1777648103","url":"https:\/\/waveqvanta.com\/products\/800nm-chirped-mirror-70fs-2","provider":"WaveQuanta","version":"1.0","type":"link"}