{"product_id":"800nm-chirped-mirror-250fs","title":"800nm Chirped Mirror HD116-25.4-6.35","description":"\u003cdiv\u003e\n  \u003ch3\u003eOverview\u003c\/h3\u003e\n  \u003cp\u003eThe \u003cstrong\u003e800nm Chirped Mirror -250fs² (HD116-25.4-6.35)\u003c\/strong\u003e from Ultrafast Innovations delivers precision negative group delay dispersion (GDD) of -250 fs² per bounce across 700–870 nm, centered at 785 nm. Engineered for Ti:Sapphire oscillators, CPA systems, and OPCPA setups, this S-polarized chirped mirror at 7° AOI provides mid-range GDD compensation ideal for external compressors and pulse stretching applications requiring 24 bounces to offset approximately 6000 fs² of accumulated positive dispersion.\u003c\/p\u003e\n  \u003cp\u003eThis 785nm chirped mirror occupies a critical niche between low-dispersion intracavity mirrors and ultra-high-GDD bulk compressors. The -250 fs² specification enables compact compressor designs while maintaining manageable bounce counts, making it particularly suited for tabletop ultrafast systems where space constraints and alignment complexity must be balanced against dispersion management requirements. The broad 170 nm operational bandwidth supports sub-20 fs pulse compression in Ti:Sapphire systems and wavelength-tunable OPA configurations.\u003c\/p\u003e\n  \n  \u003ch3\u003eApplications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTi:Sapphire CPA External Compressors:\u003c\/strong\u003e Pre-compensation of stretcher-induced positive GDD in regenerative and multipass amplifiers operating 750–850 nm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOPCPA Pump Pulse Conditioning:\u003c\/strong\u003e GDD compensation for 800 nm pump beams in optical parametric chirped-pulse amplification chains\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOscillator Dispersion Management:\u003c\/strong\u003e Fine-tuning intracavity GVD in extended-cavity Ti:Sapphire oscillators for optimized mode-locking bandwidth\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOPA Signal\/Idler Compression:\u003c\/strong\u003e Pulse compression for 700–870 nm tunable outputs from Ti:Sapphire-pumped optical parametric amplifiers\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 substrates, the HD116 features ion beam sputtered (IBS) multilayer dielectric coatings optimized for S-polarization at 7° angle of incidence. The coating maintains R \u0026gt; 99% reflectance throughout the 700–870 nm range, ensuring minimal losses in multi-bounce compressor configurations. The precision-polished substrate and phase-matched layer structure deliver the specified -250 fs² GDD with minimal higher-order dispersion artifacts, critical for maintaining pulse fidelity in sub-50 fs regimes. LIDT rated at 0.2 J\/cm² for femtosecond pulses.\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":47948106236058,"sku":"HD116-25.4-6.35","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_7d733ec6-6cda-496a-b807-c3b96704c04a.png?v=1777648154","url":"https:\/\/waveqvanta.com\/products\/800nm-chirped-mirror-250fs","provider":"WaveQuanta","version":"1.0","type":"link"}