Metal halides as new chemical system for laser actio

Roebber, J. L.

English

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https://ntrs.nasa.gov/search.jsp?R=19700006497 2020-03-12T01:53:39+00:00Z
p'iirrtoi1is:;oc: Jritfoza llavc I~een ~ e % e c . ~ i 3 ( 1  as tire )nos i: gjrom.r".s:i.~~g cn:~ii:Lcl.rr te:: 
f o r  laser a,ppli~at:Lc;ni;, The puojcc:?: invo1.v-es tlie r,pcct:ro::ct~picc :;.ct~cly 
cilri;~gcs whi.ch occur on t h e i r  p11(>to3.yc:.Ls a ~ t l  the  pesi"o~:i~i:xnc:e 01  cavf ty 
nirrirrg i-h:l.s ~qi13:ri:t:cL.y p(irj.0~1, VC 1 1 3 ~ ~  'bee11 eng;~gcd :in strid:icr;s of 
tire eimj-ssion s p e c t r a  jirotluced in t h e  vncrluni ul.trrav:i.olct rcgiola ailaer! 
nret;ll Il:1-i.iile v.upors :ire cxcitctl. Isy ?;n.i.cr-ownve 01: r n c l : i a - f r c y t ~ i " . ~ ~ c ~ ~ ~  clis- 
cirrtrges. In ;~tlilii:ioil, t!ie absorption si)cci:rn of the mercury hnl.icles 
Rcport  #2, lsjc have obi-nincd crr~-i_c;sioi~ ::pet t ra froiri prodrr c i.:: ?;l-o tl\rr:cti n'hc:~~ 
"i'i-ae J .GOO-L80~Zh rci:.osn. I . i s tec?  in 'i'nb:i.c 3. of Q r r n r t e r l . ~ ~  Rcpo-r-t N2 and 
sl~oi.an ri.n :Figure 3. oi: f?rrxri:ci.:l.y R e p o r t # ?  arc due to ar? :ernpuri ty  -1.n 
* - e the ziicTcL1.r-y I.1:1.1 Ldcs, The sirinc ba~iits were. nlxervcrci :in tiic r!cl.-ii:nl 
i..cizpri.er :;an r ,pcc t ru~r i  Lrr t 
t h ey  disappen-retl when ihe  h e ? . i t r m  wai: pzlr.i.:E;.ctl by i>ncconc> ', t i lruui;h a 
Il'.clrr-ld nit:i-o:;en cooled t r a p  jl<.'l.:icrl viS.th molec~?l.ar s i eve ,  T l t c : ;~  
bani1 :; uniloub.tedly d r ~ c  to t r a c e s  clC ~ z i t r o ~ e r z  or o;:y:;en -i.jii4~c]z 
krc1.e rio % compl.etcPy remcivctl f ' ' t ^ ~ ? i ?  the p ~ : . j d e r ~ d  ~ C T C ~ I I : ~  c hnL !.tie coiil- 
<. :i-.ir~nds (  by our de ; ;nss i r ?~  procc.dn~:c, 
. . Ircl..i;icver, t h e  ban:ls e:il;i.eli appi":2.>r in tjlc L300-21.0:: /i reg:! on c.rf 
- the  spcct-rlzm of the m:iciroc.satpe or B,37, tllsci~ar.ir,e p r ~ d i ~ ~ t s  of IIcsT 
cj -- 2 
( i ~ l . t ' i ;  o r  \ ~ i . t h o u t  t h e  pr-ci;ence o f  n?>(i:lt 0,il;nzrn Ilg p r e s s u r e  of i:r?l:"~nm) 
Repor t  ;'I% are riot . due to "Il-ic n-ir:r.ogen or oxygen :Em;purity, ?:he alost  
-.  r.~:~t1'121^:/.y sp:?.ceiZ of these bnnc?s arc? Eir;tcd in T a b l e  1 znci si?oxta~r~ i l l  
1'' I. '1'l:i:se bnrrd:; are no;: ol,t;~j.nctl from a I~I~CI.C~~.;','~VC! ~[: i~(: ] l ; l rg~: 
I , ,  t i  i -- 2 9 1 7 i 3 1  ok 'I2, Itic! on:l.y cornlilori. bnr~iir; 'bei:wo.cll perre 2 
. - 
ii:;I-, a i ~ d  ii213::2 r ~ r c  t h o s e  d u e  t o  Tig atoi-ils, Thcref ore, tilere i s  
Sd 
gootl c.1-1a:nce t imi:  thesr. bands :in t-hc 1800--21.00 A r e g i n n  may I,c due 
to lig:T. 

!;pt?c'rl-rim, Ti3i.r-c?Forc, w c  plan t-o cI~c?clc the d imer i z ;~h i . o r i  by liien-ilr; of 
LI. mass speetrolnc.ilc..rrnr dtli:ii~g khr-  next ijiln.r"i.clp, \We a l s o  pl.nrr to tilCvmre 
tlzc ioni-zation poti.r?t.LnL of mercury  I?a1-Lc1cs aacl c a r r y  03.i'i a. 
semicn-ip:irie,?I qr:tntuni ~ncchanica% cniculati.on t o  he lp  iilizerl~ret ::he 
spectroscopic data, 

a r~diu-f rcqvc~r\g d i scharge  in the  prcsence 
ui" I ) ,  S c m  171: 01 iif:, 



Investigation of new systems for potential laser action Quarterly report, 1 Jun. - 30 Sep. 1969

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