Bp? qpy ?~u {ptp~y { ?p}py ?~ rp rp? rp y}x

Bp?u, {y } ?prqs? ?p}p ?~y {tysp ?p|q{ptpy ?~ p, rp?u {y } px wavelength {tysp ?y }u{ptp~t. I~ xp}~ p?y qpz~y qpxu px }pt} p, {y qpxu tp}~ ? qp ? u|u up, } }pt}u, {y tp p~t tp?y?p qp {p}| ?prqs? }uqp~t.

 

I|rp qp y~, psp ?p rp?u {y p px yy s? p, {y v ?p}py ?~y, xu qpxp~ ~ ~u, tp p|, {p} ~u, tp py p, {y pz tp ~ ~u, }|? ~p}t.

 

, {y s: ~y~ yxu ~ rp?y tyty ?y}|p~ px ?p}py ?~, px ~ sp }uprpt, {y qyvu tp {||? xy~tpsyy p ~u. Otp}~ Mp~ tp ~ rp? ~yx qp pu, {y y}{~yy p?zy ttp~y pxy ?pv pqty| vpp }|?, } ?y}| qp ?p}py ?~ qp.

 

?p~s}y ? qp ?p}py ?~y
{?y qp pzt, yqpu ?prqs? ?p}py ?~y ~ ~yx sp tpp, {y { p|}py }px}~ p. X? px p|}py ~ {. Spru {y tp qqy sxpp

 

xy{ rp?u p|}

 

~?py ? ?z p, {y u|u p|}pu, {y qp ?~u {ptp~y { ?p}py ?~, rp?u {y } qp {||? tp ?pvy }p~ p|} }up~p~t. Apy }y|, tp||p qp ?| rp ~pp?p px rp?, t? }utp~t, qp }~p~ty ~ }ut, q ~p}ut~p~t, xp}y~, rp?u {y qp }?yy xy p?zy v, qp y}?x xz p{p rp? ~ p, xy~tps? }u{~p~t.
?p rp?y
qpt px qpz~y y~~ rp

 

s? ?| p, ?p}py ?~ qp }|? {ptpp~t, ~u, ~yx ?p y}{~yy }pt}, }p~ tp qyp q }pt} tp py }|? }uprpt ?p}p }uvqp~t. Qqyp? q }pt} p, v tp ~py?py qp tyty uqy~? tpp~t, qp }~p~ty tp} y~yx ~up~t. Ap {?u, {y y~ s~p pzrp, psp qp ?pt, ~ tp~t, qp rprpp ppy ?p}py ?~y qpy ?p y}{~yy.

 

? }qp ?yyvy {

 

rp xy~tpsyy rp?u {y } tp ??p~tp {ptp}, }qp tp s~ q?p t ?p rp?u {y ?y tpp ??p~tp, {y ?p?}y y}{~y t qpy ?~u {ptp~y { ?p}py ?~. Bp?u {y

 

?~y px qp? ??qpt, } }upr~ut ?p}py {p ? wavelength ?p|q ~p}~t. ^? rp }u?~p qpy ?p yx, {y ?y |? , {y ?ut, {y qp p?zy ttp~y t {~~, qyvut q }pt} t. ?txyy

 

qp urxy }?y} yxy
?p}py ?~y q }p?pty qp tp? }??|p?y ~u, p{p rp? { ~yqpp~ ~-qp-p?}ytp~y }?y}u pru {y tp q| pry {ptp tpp~t. Ky s, psp ~u, s??, {y ? qp ?p}py ?~y ?p|q ~u, ~ ~yx, {y y~?~? }usxpp~t.

 

@x y~ ?, yttpy p~u~~py ?p}up qpy ?p}py ?~y }u~yspp~t, qyvut { pp{{y ?p qp pzt ?yy ~ p?yqy tp uy p}~y pzt t. Bp xyvtp px yxu, }?y} p, {y qp ptp?p ?p ?x ~? ~u?y }qp.