DFBlaser窄线宽激光器
关于窄线宽激光器的文档InbothDFBandDBRdiodes,adiffractiongrating–oftenreferredtoas“Bragggrating”or“Braggreflector”–isincorporatedinthesemiconductorchip.Thegratingselectsasinglelongitudinallasermodeandthereforedeterminesthelasingwavelength.InaDFBlaser,thegratingisintegratedintotheactivesection
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