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Raman Microprobe with Holographic Beamsplitter for Low-Frequency Operation

Volume 46, Number 10 (Oct. 1992) Page 1469-1473

Pallister, David M.; Liu, Kei-Lee; Govil, Anurag; Morris, Michael D.; Owen, Harry; Harrison, Timothy R.


A Raman microprobe with a holographic beamsplitter is described. The beamsplitter is shown to have 90% laser insertion efficiency and high Raman transmission efficiency on both the Stokes and anti-Stokes side. Useful spectra are obtainable as close as ±60 cm−1 from the exciting line using 4 mW power.