title: Simple helium cryostat for Raman spectroscopy.
abstract: We describe a simple and inexpensive flowing gas helium cryostat which efficiently cools the surface of a sample and eliminates the need for good thermal contact between the sample and a substrate.
authors.affiliation: Behlen Laboratory of Physics, University of Nebraska, Lincoln, Nebraska 68588.
authors.forename: R D
authors.initials: RD
authors.lastname: Kirby
authors.forename: J R
authors.initials: JR
authors.lastname: Duffey