From 558c60df1f70a98c1e04cc96ad7651290708ae11 Mon Sep 17 00:00:00 2001
From: "Eugeniy E. Mikhailov" <evgmik@gmail.com>
Date: Tue, 28 Sep 2021 21:55:33 -0400
Subject: improve precision of the cell length: 3 cm -> 3.0 cm

---
 interferometry_new.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/interferometry_new.tex b/interferometry_new.tex
index 55a855d..ff46295 100644
--- a/interferometry_new.tex
+++ b/interferometry_new.tex
@@ -183,7 +183,7 @@ Eq.(\ref{old3}), this difference is
 \begin{equation} \label{delta_n}
 \Delta n=\Delta m \frac{\lambda_0}{2d_{cell}}
 \end{equation}
-where $d_{cell}=3$~cm is the length of the gas cell.
+where $d_{cell}=3.0$~cm is the length of the gas cell.
 
 Since the change in the refractive index $\Delta n$ is linearly depends on the
 air pressure $\Delta p=p_0-p_{fin}$, it is now easy to find out the
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