updates to oplev chapter

main/LIGO.tex

@@ -179,7 +179,7 @@ The main disturbance affecting the stabilization of the resonators is the ground
 The most important cavity lengths to keep stable are highlighted in Fig. \ref{lsc}; each length path between optics contributes to a specific signal monitored to keep the cavities in resonance. The signals are the Signal Recycling Cavity Length (SRCL), the Power Recycling Cavity Length (PRCL), the MICHelson (MICH), the Common Arm length (CARM) and the Differential Arm Length (DARM) and are described by the following relations between lengths:
 
 \begin{equation*}
-DARM = \frac{L_x - L_y}{2}
+DARM = L_x - L_y
 \end{equation*}
 
 \begin{equation*}

main/main.tex

@@ -5,6 +5,7 @@
 \usepackage{bookman}
 \usepackage[english]{babel} 
 \usepackage{graphicx}
+\usepackage{pdfpages}
 \usepackage[font=small,hang]{caption}
 \usepackage{subfigure}
 \usepackage{float}
@@ -38,7 +39,7 @@ A brief summary of the project goes here, with main results.
 \chapter{Acknowledgements}
 
 Here I need to acknowledge for any funding (UoB, RAS, IOP, Caltech).
-
+%ricordati anche di ringraziare per l'estensione
 
 \tableofcontents
 \listoffigures
@@ -190,6 +191,8 @@ Beginning of Gravitational Wave Astronomy}
 
 \bibitem{sina} S. M. Köhlenbeck, \textit{Towards the SQL Interferometer Length Stabilization at the AEI 10 m-Prototype}, PhD thesis, Gottfried Wilhelm Leibniz Universität Hannover, 2018
 
+\bibitem{luise} L. KranzHoff for the AEI group, \textit{A novel vertical inertial sensor for with phasemeter readout}, poster, LVK September 2021
+
 \bibitem{tuyen} D. Tuyenbayev, \textit{Extending the scientific reach of Advanced LIGO by compensating for temporal variations in the calibration of the detector.}, PhD thesis, University of Texas, 2017
 
 \bibitem{venka} Venkateswara et al., \textit{Subtracting tilt from a horizontal-seismometer using a ground-rotation-sensor}, Bulletin of the Seismological Society of America (2017) 107 (2): 709-717