Abstract:The appendix is available with entire article on microfiche. Order from the American Geophysical Union, 2000 Florida Avenue, N.W., Washington, D.C. 20009. Document J80‐007; $1.00. Payment must accompany order.
The physical arc length difference between the red and blue beam of a dual‐color laser generates an error term in determining Δn (and thus n, the refractive index, and D, the line length). Numerical ray trace examples and theoretical approximations show the resulting relative error ΔD/D to increase as D2… Show more
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