laser diode (ld)造句
例句與造句
- With the rapid development of high speed and high capacity fiber communication and optoelectronic components , the coupling efficiency of laser diode ( ld ) and single mode fiber ( smf ) has become the most fundamental problem for engineers and researchers to solve
隨著高速度大容量光纖通信和光電子器件的迅猛發(fā)展，半導(dǎo)體激光器( ld )與單模光纖( smf )的高效耦合日益受到人們的重視。 - Through analyzing constitute and mechanism of high power laser diode ( ld ) fiber coupling module , the effects on reliability of ld fiber coupling module are detailed as following : crafts of coupling and encapsulation , electricity factors and ld itself
摘要文章從高功率半導(dǎo)體激光器光纖耦合模塊的組成和各個(gè)部分的機(jī)理出發(fā)，詳細(xì)分析了影響其可靠性的因素，主要有以下三個(gè)方面：激光器自身的因素、耦合封裝工藝和電學(xué)因素。 - It has a broader absorption band at 808 nm which is emitted by laser diode ( ld ) . therefore , nd : cngg is suitable for ld pumping , the ld pumped all solid - state lasers can be made by using nd : cngg . in this study , nd : cngg single crystals of 25mm in diameter and above 80mm in length were successfully grown by the automatically pulling method from the melt
摻釹鈣鈮鎵石榴石(簡稱nd : cngg )是一種新型激光晶體,該晶體熔點(diǎn)低( 1470 ) ,具有無序結(jié)構(gòu),在通用的808nm半導(dǎo)體激光二極管( ld )發(fā)射波長區(qū)有寬吸收帶,因此很適合ld泵浦,可做成ld泵浦全固態(tài)激光器。 - As the extensive application of the semiconductor laser diode ( ld ) , it become more and more important to evaluate the quantity of laser beam . far - field divergence angle of laser beams is an important parameter about value of laser quality . not only the laser divergence peculiarity in the distance is reflected , but also quality of the correlative laser apparatus and the laser transmission is exactly known
隨著半導(dǎo)體激光器日益廣泛的應(yīng)用,對(duì)激光光束質(zhì)量的評(píng)價(jià)越來越重要,而激光光束遠(yuǎn)場(chǎng)發(fā)散角是評(píng)價(jià)激光質(zhì)量的一個(gè)重要參數(shù),它不但能反映遠(yuǎn)距離傳輸時(shí)的激光發(fā)散特性,而且能準(zhǔn)確評(píng)估出半導(dǎo)體激光器的品質(zhì)及激光的傳輸質(zhì)量。 - Laser diode ( ld ) has the advantages of small volume , light weight , longevity of service , high electro - optic convert efficiency and direct modulate etc . now it is more widely used in the fields of information , energy , therapeutic , material , entrainment and so on
半導(dǎo)體激光器(以下簡稱ld )具有體積小、重量輕、壽命長、電光轉(zhuǎn)換效率高、可直接調(diào)制等優(yōu)點(diǎn),目前在信息、能源、醫(yī)療、材料、娛樂等諸多領(lǐng)域都得到了越來越廣泛的應(yīng)用,材料和器件的水平也有了長足的進(jìn)展。 - It's difficult to find laser diode (ld) in a sentence. 用laser diode (ld)造句挺難的
- The very intense blue upconversion luminescence was observed by naked eyes under 978 nm laser diode ( ld ) excitation . the relationship between the ld working current and intensity of red and blue upconversion luminescence was studied . the intensity of blue upconversion decreased with time as the irradiation of 978 nm ld
變功率的研究表明，上轉(zhuǎn)換發(fā)光的強(qiáng)度與978nm激光二極管的功率并不是簡單的平方或三次方關(guān)系，藍(lán)光上轉(zhuǎn)換發(fā)光強(qiáng)度在強(qiáng)功率輻照下有明顯的減小。 - Compared with the traditional lamp - pumped solid - state lasers , the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency , long lifetime , all - solid - state , small size and little heat effect , etc . of many kinds of dpssls , laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry , mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode
與傳統(tǒng)的燈泵浦相比，激光二極管泵浦固體激光器( dpssls )具有高效、長壽命、全固化、熱效應(yīng)和體積小等優(yōu)點(diǎn)。在眾多的dpssls中，激光二極管( ld )端面泵浦nd ： yag激光器在工業(yè)中起著重要的作用并得到了廣泛的運(yùn)用，這主要?dú)w因于nd ： yag晶體具有良好的機(jī)械和光學(xué)特性，而且端面泵浦具有良好的模式匹配，能獲得基橫模激光輸出。 - Because quasi - fermi levels of a laser diode ( ld ) vary with the carrier density , it is predicted that a new type of hysteresis loop should occur for the current passing ld while a hysteresis loop appears on the power - frequency curve of the ecld . an explicit analytical expression for the frequency width of the hysteresis loop and the condition for the formation of the hysreresis loop has been deduced
預(yù)測(cè)了由于半導(dǎo)體激光二極管( ld )的準(zhǔn)費(fèi)米能級(jí)之差隨ld內(nèi)線流子密度的變化而變化，因而，在調(diào)諧外腔半導(dǎo)體激光器的輸出功率?振蕩頻率曲線上出現(xiàn)雙穩(wěn)環(huán)的時(shí)候，通過ld的電流也應(yīng)出現(xiàn)一個(gè)伴隨的新型雙穩(wěn)環(huán)? ?電流雙穩(wěn)環(huán)。 - Based on the character of the eof gain at 1550 nm , a laser diode ( ld ) worked at 980 nm and acted as the pumping source , a eof employed as gain medium , and a fiber grating used as reflector , an ring - cavity all - fiber laser worked at 1562 . 5 nm was demonstrated with an output power of 2 . 0 mw and a bandwidth of 0
本文主要基于摻鉺光纖在1550nm波段的增益特性，利用帶尾纖的980nm半導(dǎo)體激光器作為泵浦源，鉺光纖作為增益介質(zhì)，布拉格光纖光柵作為諧振腔反射鏡，實(shí)現(xiàn)了波長為1562 . 5nm的環(huán)形腔光纖激光器，得到了2mw的激光輸出。 - Diode - pumped solid - state laser ( dpl or dpssl ) is solid - state laser , used laser diode ( ld ) instead of flash lamp to pumping laser media . comparing with flash lamp , it has a lot of advantages , such as high efficiency , reduced size , compactness , stabilize and longer lifetime
激光二極管泵浦的固體激光器( dpl或dpssl )是用激光二極管( dpl )代替閃光燈泵浦激光晶體的固體激光器，與燈泵浦相比，具有效率高、體積小、結(jié)構(gòu)緊湊、性能穩(wěn)定、壽命長等優(yōu)點(diǎn)，已成為當(dāng)今固體激光器發(fā)展的主要方向。