diff --git a/short-stroke-metrology.html b/short-stroke-metrology.html index 8c21c13..ffcefd3 100644 --- a/short-stroke-metrology.html +++ b/short-stroke-metrology.html @@ -3,7 +3,7 @@ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> - + NASS - Short Stroke Metrology @@ -39,13 +39,16 @@

Table of Contents

+
+

This report is also available as a pdf.

+

The goal of this document is to analyze the feasibility of a short stroke metrology system for the NASS using fixed interferemoter and the same reflector as for the long stroke metrology system. @@ -55,22 +58,22 @@ The goal of this document is to analyze the feasibility of a short stroke metrol It is structured as follow:

-
-

1 Measurement Principle

+
+

1 Measurement Principle

- +

Here are the defined wanted displacement of the reflector that should be inside the measurement stroke of the metrology system. -The defined translations and rotations are defined with respect to the frame shown in Figure 1. +The defined translations and rotations are defined with respect to the frame shown in Figure 1. 

d_x = 0;     % Wanted translation of the reflector in the x direction [m]
@@ -82,14 +85,14 @@ R_y = 0;     % Wanted rotation of the reflector along
-
+

short_stroke_metrology_concept.png

Figure 1: Short Stroke Metrology - Concept. Blue interferometers are used to measure the X-Y-Z motion of the reflector. Red interferometers are used to measure tilt motion of the reflector.

-Here are the approximate dimensions shown in Figure 1: +Here are the approximate dimensions shown in Figure 1:

  • \(d_0 \approx 10\,[mm]\)
    • @@ -106,15 +109,15 @@ R = 250e-3; % [m]
-
-

2 X-Y-Z measurement

+
+

2 X-Y-Z measurement

- +

-The geometry for the interferometers measuring translations is shown in Figure 2: +The geometry for the interferometers measuring translations is shown in Figure 2:

  • \(R = 250\,[mm]\)
    • @@ -124,7 +127,7 @@ The geometry for the interferometers measuring translations is shown in Figure <
-
+

translation_interferometers.png

Figure 2: Interferometers that are measuring translation

@@ -144,7 +147,7 @@ And we obtain: \[ \theta \approx 8.0\,[mrad] \]

- +
@@ -178,11 +181,11 @@ And we obtain: -
-

3 Tilt measurement

+
+

3 Tilt measurement

- +

@@ -201,7 +204,7 @@ And we obtain:

-The geometry for the interferometers measuring rotations is shown in Figure 3: +The geometry for the interferometers measuring rotations is shown in Figure 3:

Table 1: Specifications for the translation interferometers
+
@@ -250,13 +253,13 @@ The geometry for the interferometers measuring rotations is shown in Figure -
-

4 Conclusion

+
+

4 Conclusion

Author: Dehaeze Thomas

-

Created: 2021-02-19 ven. 11:10

+

Created: 2021-02-19 ven. 11:13

diff --git a/short-stroke-metrology.org b/short-stroke-metrology.org index 5894c53..7358d7a 100644 --- a/short-stroke-metrology.org +++ b/short-stroke-metrology.org @@ -40,6 +40,12 @@ #+PROPERTY: header-args:latex+ :post pdf2svg(file=*this*, ext="png") :END: +#+begin_export html +
+

This report is also available as a pdf.

+
+#+end_export + * Introduction :ignore: The goal of this document is to analyze the feasibility of a short stroke metrology system for the NASS using fixed interferemoter and the same reflector as for the long stroke metrology system.
Table 2: Specifications for the rotation interferometers