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當(dāng)前位置：上海尖豐光電技術(shù)有限公司>>激光配件>>拉曼轉(zhuǎn)換器-激光器件

拉曼轉(zhuǎn)換器-激光器件

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更新時(shí)間：2020-09-04 03:06:43瀏覽次數(shù)：381次

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商鋪產(chǎn)品：403條

所在地區(qū)：上海上海市

聯(lián)系人：周美玲 （銷(xiāo)售經(jīng)理）

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詳細(xì)介紹

拉曼轉(zhuǎn)換器?RS

Product description:

The Raman shifters are used for downshifting the laser radiation frequency in order to generate powerful IR femtosecond pulses. The RS femtosecond Raman shifters employ a novel scheme. The scheme is based on Raman conversion of a chirped laser pulse with subsequent pulse compression. Compressed gases (hydrogen, methane, sulphur hexauoride) and barium nitrate crystal are used as active media. The Raman frequency shift varies from 775 cm-1 for sulphur hexauoride to 4155 cm-1 for hydrogen.The energy conversion eciency reaches 30%. The using small volume Raman cells (less than 100 cm3) provides the safety operation. The optical scheme and sizes of Raman lasers depend on the pump laser pulse energy which can vary from 0.1 mJ to 100 mJ.
The RS Raman shifter family includes three standard models for traditional sources RS-800, RS-1050 and RS-1250 (800 nm,1050 nm and 1250 nm respectively). Customized enquiries are welcome.

拉曼轉(zhuǎn)換器RS

·轉(zhuǎn)化效率可達(dá)30%

·各種不同介質(zhì)有不同頻率轉(zhuǎn)換標(biāo)準(zhǔn)

·輸入脈沖能量高達(dá)100mJ

·標(biāo)準(zhǔn)模塊是800nm,1058nm和1250nm

Wavelength after conversion of dierent sources in various active media

RS

活性介質(zhì)

氫

甲烷和氘

*

光源和轉(zhuǎn)換器

（氣體）

（氣體）

（晶體）

Ti:S(800 nm)

1200 nm

1050 nm

870 nm

RS-800

Yb:KYW(1058 nm)

1890 nm

1530 nm

1180 nm

RS-1050

Cr:F(1250 nm)

2600 nm

1970 nm

1430 nm

RS-1250

Pulse shape of the Ti:Sapphire laser pulse with duration of 48 fs at the wavelength of 800 nm (purple curve) and converted to rst Stokes with duration of 52 fs at the wavelength of 1200 nm by stimulated Raman scattering in hydrogen conned in the capillary.

Raman Shifter

  • 拉曼轉(zhuǎn)換器RS


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