波長帶 的英文怎麼說

中文拼音 [zhǎngdài]
波長帶 英文
wavelength band
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  1. The next move is to deduce the range of a bombing radiating wavelength with the flying bomb ' s temperature being analyzed and to compute the target ' s irradiance and radiated luminance between spectral penetrating strip based on the planck formula for the black body

    在此基礎上,從分析飛行彈體的爆炸溫度出發,推導了彈體爆炸時輻射峰值的范圍,分析了黑體輻射的普朗克公式,計算出目標在光譜通內的輻出度和輻射亮度。
  2. The absorption edges wavelengths and cutoff wavelengths of ceo2 - ti2 ;. complex films are red shift, if compared with pure ce02 films or pure tio2 films

    混合薄膜的吸收邊和截止大於純ceo _ 2 、 tio _ 2薄膜,並出現明顯的尾現象。
  3. On the basis of the number and exact position of sensitive wave bands, the mechanisms of measuring surface colors by means of a computer with sensitive wave band method are established, which provides a rapid and effective method for measuring and controlling colors

    摘要根據色度學理論尋求靈敏的個數和確切位置,從而建立靈敏法計算機測色機制,為顏色測試和控制提供快速有效的方法。
  4. Some of the wavelengths are from the bands of the visible spectrum that includes red, yellow, and blue

    其中某些來自可見光的光譜,包括紅、黃、藍等光譜
  5. For n - doped tio _ ( 2 ), the forbidden band was divided into two ' s, and the cut - off wavelength and the application of solar energy was increased too

    對于n摻雜tio _ 2薄膜來說,禁寬度裂分為兩個「表觀」禁寬度,大大提高了截止,提高了對光源的利用率。
  6. Under visible light excitation titanic acid and titanate sodium nanotubes showed a relatively intense emission, which red shifts with the increase of excitation wavelength. under humid conditions this photoluminescence of titanic acid nanotubes was not stable. the intensity decreased, and the emission peak was at 480nm, which cannot shift with the change of excitation wavelength

    鈦酸和鈦酸鈉納米管在使用可見光激發時,都能產生光致發光現象,當使用不同的可見光激發鈦酸和鈦酸鈉納米管時,能夠得到不同強度的發光譜,且發光峰的位置隨著激發光的變化發生較大范圍的移動。
  7. Generally, the designed channel spacing of itu - t standard in wdm systems is from 0. 8nm to 1. 6nm, which is much larger than the spacing required by actual communication bandwidth. for example in lightwave transmission systems, a sghz channel occupies only 0. 04nm at the wavelength band of 1. 55 n m. thus, most of the bandwidth in the actual transmission systems may be wasted

    Itu - t標準中wdm系統設計的通道間距為0 . 8nm - 1 . 6nm ,這遠遠大於實際使用的通道寬,例如一個寬為5ghz的通道在1 . 55 m段只佔據了約0 . 04nm的范圍,因而導致大部分的寬被浪費。
  8. Conventional optical phase retarders are mostly designed by birefringent material. the refractive indices depend on the wavelength so strongly that the retardation is close to wavelength, here we call this dependent relationship the birefringent dispersion of material. this is the reason why conventional optical phase retarders are mostly applied to a single wavelength but ca n ' t be used to varied wavelength, so they are inconvenient to handle

    常規的光相位延遲器是由雙折射材料製成的,由於材料的雙折射率同密切相關,使其產生的相位延遲量也同具有嚴格的一一對應關系(即材料的色散現象) ,因而常規相位延遲片多用於單一,不同之間使用不可兼顧,這在使用中來諸多的不便。
  9. 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,該晶體熔點低( 1470 ) ,具有無序結構,在通用的808nm半導體激光二極體( ld )發射區有寬吸收,因此很適合ld泵浦,可做成ld泵浦全固態激光器。
  10. Other semiconductor lasers

    半導體激光其他波長帶
  11. The tbc algorithm simulates that wave near the boundaries is plane wave, and its amplitude and direction are decided by trial and error. in this thesis, the operation principle of an awg is introduced and the structure parameters of 8x8 awg with its central wavelength 1550. 12 / 7 / n and channel spacing 3. 2nm are designed by discussing the crosstalk to neighboring waveguide, the insertion losses and losses equal, etc. this thesis employs the waveguide theories to analyze the slab waveguide and the arrayed waveguide, and offers the distributions of stable optical fields

    本文旨在設計一個中心為1550 . 12nm 、間隔為3 . 2nm的8 8awg分復用器,通過綜合考慮相鄰導間的最大串擾、插入損耗、通寬度以及各通道損耗均勻等指標來設計、優化awg的各個結構參數,如輸入、輸出導和導陣列中相鄰導的間隔,平板導的聚焦度,導陣列中相鄰導的度差等。
  12. A specific range of wavelengths or frequencies of electromagnetic radiation

    段,電磁輻射的和頻率的特定范圍
  13. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起,首次利用該種有源區結構制備出偏振不靈敏半導體光放大器,並在0 - 200ma注入電流范圍內獲得33nm的3db寬,在不同信號,不同信號功率0 - 200ma的注入電流范圍內,偏振相關損耗均《 0 . 9db ,在耦合差損為7db / facet的條件下,最大fiber - to - fiher增益達10db ,無損操作電流為50 - 70ma ,消光比達50db以上,而噪聲指數則低於8db ,最小可達4 . 6db 。
  14. Gan has d1rect, wide bandgap und is one of the ii1ost promising lnateria1. 1t ' s good e1ectrica1, opt ica1 characteristi cs and excel1ent lllecllaniczl1 properties make it one of the most ideal choices for short wave photoe1ectron devices, such as u1 travio1et photodetectors

    Gan是最有前景的直接躍遷寬隙半導體材料之一,它具有優良的光電性質和優異的機械性能,被認為是制備短光電子器件的最佳材料之一。
  15. The text computes the eigenvalue of double ridged waveguide, single ridged waveguide and unsymmetry ridged waveguide, transmission of three kinds of ridged waveguides with ridge on the narrow wall are solved for and the useful curves on cutoff wavelength, bandwidth and field pattern are presented

    編程計算了雙脊、單脊和不對稱脊導的特徵值,求解了三種脊位於窄邊的脊導的傳輸特性,並給出了截止和單模寬曲線以及場結構變化。
  16. The dual - core air - guided photonic bandgap fiber couplers are designed and decoupling phenomenon has been found. coupling properties of the pbgfs with two adjacent air holes as fiber cores are analyzed. the decoupling point, where there is no

    對具有兩個相鄰纖芯的空氣傳導光子隙光纖的傳導模式和耦合特性進行了理論分析,在所分析的結構中發現了無耦合點,在該處兩個相鄰纖芯之間不發生能量轉移。
  17. Krf excimer is the best medium in uv ultra short pulse amplification for its small saturation energy and high contrast ratio accessible

    它具有短( 248nm ) ,頻寬( 3thz ) ,工作介質的非線性效應小,能量轉換效率高等優點。
  18. This makes it possible to know the load by studying the pbg property or to change the pbg property by loading

    這樣,就可以通過測量光子晶體的光隙性能來判斷壓力的大小,也可以通過施加載荷來調制透射光的
  19. The spectral calibration of the small spectrometer has been completed and resolution, wavelength precision and bandwidth of it are all determined

    進行相關的光譜測量實驗,完成了光譜儀的光譜標定及解析度、精度和寬等性能指標的測定。
  20. It is found that all the thin films have a preferential c - axis orientation. with increase of al doping, the peak position of the ( 002 ) plane is shifted to the low 2 value

    同時, zno通過摻雜,對其隙進行調整,使探測器的吸收截止邊按需求被控制在特定的范圍內,將成為zno基紫外探測器研究中新的熱點。
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