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7.1 $BF)2aEE;R82Hy6@$NI,MW@-(B

$BJ*$r3HBg$7$F8+$h$&$H$9$k>l9g!"8w3X82Hy6@!J?^(B7.1$B!K$,:G$b?H6a$J5!4o$H$7$FMxMQ$5$l$k!#8w3X82Hy6@$G8+J,$1$k$3$H$N$G$-$k8B3&5wN%!JJ,2rG=!K(Bd$B$O8w$NGHD9(B$\lambda$$B$H%l%s%:$N6~@^N((Bn$B$rMQ$$$F(B

$B?^(B 7.1:
\includegraphics[width =.75\linewidth]{s21.epsf}


\begin{displaymath}
d=\frac{0.61\lambda}{n\cdot sin\alpha}
\end{displaymath} (7.1)

$B$H5-=R$G$-$k!#$3$3$G!"(B$\alpha$$B$O%l%s%:$N3+$-3Q$G$"$j!"(B $n\cdot sin\alpha$$B$H$7$F(B1.5$B$r!"(B$\lambda$$B$K(B0.5 $\mu$m$B$N2D;k8w$NGHD9$rBeF~$7$F$_$k$H!"8w3X82Hy6@$NJ,2rG=$O(B0.2 $\mu$m$BDxEY$G$"$k$3$H$,$o$+$k!#$7$?$,$C$F!"%J%N%^%F%j%"%k$NHy:YAH?%$5$i$K$O86;RG[Ns$r4Q;!$9$k$?$a$K$O!"$h$j9b$$J,2rG=$,I,MW$G$"$j!"<0(B(7.1)$B$h$j!"2D;k8w$h$j$bC;$$GHD9$N8w!JEE<'GH!K!"$D$^$j#X@~$d%,%s%^@~$r;HMQ$9$kI,MW$,$"$k$3$H$,$o$+$k!#$7$+$7!"$3$N>l9g!"2D;k8w$K$O%,%i%9$N%l%s%:$,E,1~$G$-$?$,!"C;$$GHD9$NEE<'GH$KBP$7$F$O%l%s%:5!G=$r$b$?$;$kE,Ev$JJ*l$9$k$N$,!"EE;R@~$G$"$k!#EE;R$O%I!&%V%m%$GH$H$7$F$NGH$N@-e$2$k$3$H$G==J,C;$$GHD9$NEE;RGH$,F@$i$l$k!#$^$?!"EE<'@P$rMQ$$$F<'>l$r0u2C$9$k$3$H$K$h$j%m!<%l%s%DNO$rMxMQ$7$F!"MF0W$K3HBgA|$rF@$k$?$a$N%l%s%:5!G=!JEE;R%l%s%:!K$r$b$?$;$k$3$H$b$G$-$k!#EE;R82Hy6@$NJ,2rG=(Bd$_e$$B$O!"EE;R$NGHD9$HBPJ*%l%s%:$N5eLL<}:978?t(BCS$B$HEE;R$NGHD9(B$\lambda_e$$B$rMQ$$$F!"(B


\begin{displaymath}
d_e=0.65C_s^\frac{1}{4}\lambda_e^\frac{3}{4}
\end{displaymath} (7.2)

$B$H5-=R$G$-$k!#HFMQ$N(B300kV$BEE;R82Hy6@$G$NEE;R$NGHD9!J(B0.00197 nm$B!K$H5eLL<}:978?t!J(B0.60 mm$B!K$r<0(B(7.2)$B$KBeF~$9$k$H!"(B0.17 nm$B$,F@$i$l!":`NA$NHy:Y9=B$$,==J,4Q;!$G$-$k$3$H$,$o$+$k!#(B


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2010-12-09