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美國(guó)樣本
暫無(wú)看了VESCENT D2-250外差模塊的用戶(hù)又看了
虛擬號(hào)將在 180 秒后失效
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特點(diǎn):
動(dòng)態(tài)平差底座-準(zhǔn)直輕松、快捷!
通過(guò)重疊主從激光器兩光束得到光學(xué)拍音信號(hào)
光功率輸入范圍極大
直通式光束輸入
光學(xué)拍音信號(hào)通過(guò)光纖傳輸?shù)教綔y(cè)模塊
多模光纖,準(zhǔn)直簡(jiǎn)單;單模光纖,信號(hào)* da化
拍音監(jiān)視出口為自由空間,便于準(zhǔn)直
D2-250外差模塊經(jīng)過(guò)重新設(shè)計(jì)用于實(shí)現(xiàn)主從激光器兩光束的重疊從而得到光學(xué)拍音信號(hào)。新式的動(dòng)態(tài)平差底座使得主從激光器兩光束的準(zhǔn)直更加輕松快捷。輸入接口的可旋轉(zhuǎn)玻片及偏振光束分束器的使用,使得當(dāng)接收到是大范圍功率范圍時(shí)可以輕松獲取外差所需要的小部分功率。該模塊光學(xué)拍音信號(hào)經(jīng)拍音探測(cè)器探測(cè)后轉(zhuǎn)換為電學(xué)拍音信號(hào),并發(fā)送給D2-135偏移鎖相伺服器用于主從激光器之間的鎖定。
D2-135偏移鎖相伺服器將拍音信號(hào)同內(nèi)部參考信號(hào)或者客戶(hù)提供的外部參考信號(hào)進(jìn)行對(duì)比,將從激光器以預(yù)設(shè)的偏移量緊密鎖定到主激光器。D2-250易于準(zhǔn)直,只需要兩個(gè)激光器分別提供總功率中的很小一部分即可正常運(yùn)作。
D2-250 Heterodyne Module Specifications | |
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All specifications subject to change without notice. 1The maximum power incident upon the detector in the D2-160 Beat Note Detector from the sum total of the master and slave lasers must not exceed 1 mW. Damage to the detector can occur at average powers exceeding 1 mW. 2An FC/APC to SC/PC MM fiber is provided with the D2-160 Beat Note Detector. | |
Parameter | Value |
In-coupling | Free-space |
Wavelength range | 700-1,000 nm |
Power range | 0.1 mW to 200 mW in each laser |
Pick-off percentage | 1-98% (variable) |
Throughput | >98% in each laser; depending on waveplate orientation |
Input polarization | Linear (horizontal or vertical) |
Minimum power in beat note1 | >50 μW, optimally 200 μW |
Max power at detector1 | <1 mw="" --1--=""> |
Fiber connector on module | FC/APC2 |
Compatible fiber type2 | Multimode or single mode |
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