Study of Factors Making Space-Contaminated Optical System Unusable

<table>Relationship between <svg height="7.0124998" id="M35" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 6.5 7.0124998" width="6.5" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.0125)">
<g transform="translate(72,-66.39)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑟</tspan>
</text>
</g>
</g>
</svg> and <svg height="14.5875" id="M36" style="vertical-align:-3.22282pt" version="1.1" viewbox="0 0 31.549999 14.5875" width="31.549999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.5875)">
<g transform="translate(72,-60.33)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑑</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.3,60.47)">
<tspan style="font-size: 8.75px; " x="0" y="0">m</tspan>
<tspan style="font-size: 8.75px; " x="6.8090558" y="0">a</tspan>
<tspan style="font-size: 8.75px; " x="10.694944" y="0">x</tspan>
</text>
</g>
</g>
</svg> – <svg height="10.6875" id="M37" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 14.3125 10.6875" width="14.3125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.6875)">
<g transform="translate(72,-63.45)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">2</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">𝑟</tspan>
</text>
</g>
</g>
</svg>.</table>

Advances in Optical Technologies

Study of Factors Making Space-Contaminated Optical System Unusable

Figure 4