孚光精儀(中國)有限公司
低溫高真空針尖增強拉曼光譜系種低溫單分子成像方法,在低溫高真空條件下,可實現亞納米級拉曼光譜成像,提高信噪比和靈敏度
觀察腔Observation Chamber | |
---|---|
溫度 | 3.0 ~ 100 K (可變) |
Vacuum Base | Obs. Prep. Ch. 3.0 ×10-8 Pa, LLC 5 ×10-5 Pa |
STM Head | |
Scan Range (X × Y × Z) | 1.7×1.7×0.54 µm3 @ 4.5 K |
STM spatial resolutin | Atomic resolution |
Raman spectroscopic system | |
Incident angle | 35° |
Lens | Aspheric lens (NA 0.35) |
Spectrometer | f = 35 cm or 50 cm, F-number = 3.8 |
Spectral resolution | 2 cm-1 @ 550 nm, 1200 G/mm |
Laser for excitation | |
Standard | Fiber output (FC connector: 2 m) Output variable (ND filter) |
Excitation wavelength | Nd: Yag laser (532 nm, 25 mW) Option: He-Ne Laser (633 nm) |
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