昊量光电 |
2010-11-22 14:29 |
电光移频器(50MHz~100MHz)
[td=1,1,116 height=17] n5A0E 2! 产品名称:电光移频器(50MHz~100MHz) VS<E?JnbFV 所属类别:电光调制器 [op!:K0 厂家名称:英国Leysop公司 jXkz,]Iy 产品简介: D ::),, 谐振相位调制器: PM50-100 (50MHz~100MHz) \ Q<c Y< K O "U5v 英国Leysop公司 PM50-100 型电光移频器采用Brewster cut lithium tantalate crystal晶体,及射频驱动源,可提供50MHz到100MHz电光相位调制(移频)。PM50-100 型电光移频器适用于各种需要锁频的应用,例如PDH激光稳频(Pound-Drever-Hall),边带锁频及其他各种激光稳频领域。 Mib(J+Il '9%72yG [td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]Optical wavelength range[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]600 - 1300 nm x2/\%!mt (Lithium Tantalate)[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]Crystal Configuration[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]Brewster cut or c1M/:*?% ar/ar normal incidence rod[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]Aperture[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]2mm[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]RF Drive power[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]2 watt maximum for p radians[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]Tuning range of optical head[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]± 15% of centre frequency[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]Voltage gain from tuned circuit[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]» 10[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]Input impedance of head[td=1,1,284 WINDOWTEXT=][align=left WIDOW-ORPHAN=]» 50 W[td=1,1,568 colSpan=2 WINDOWTEXT=]Note: These are typical specifications taken from a phase modulator operating at 70 MHz. :}}5TJ wG (:Rj:8{ 行波宽带相位调制器: PM1000 (1GHz) "2q}G16K -jdS8n4 2{Nv&ZX? 当频率高于100MHz时,我们发现从调谐电路中获得的电压效率降低很快。随后,我们发现一个常规的调制器特性更好,但是我们采用了伪行波装置来提供50 ohm特别电阻和光电相位速率匹配来将带宽最大化。使用这一装置,我们制作了对1GHz相应的相位移频器。在这一频率下的高功率放大器(50W)使得在晶体上加载峰峰值约140V的电压成为了可能,这为多数应用的调制深度提供了足够的度数。 $L_-U~^ Y3+DTR0|' [td=1,1,319 WINDOWTEXT=]Optical Wavelength range %!I7tR#; [td=1,1,288 WINDOWTEXT=]600 - 1300 nm Lithium Tantalate m`gH5vQa 200 - 600 nm (ADP) 5xe}ljo [td=1,1,319 WINDOWTEXT=]Aperture 3ha^NjE [td=1,1,288 WINDOWTEXT=]1.5mm typical reJw&t | |