Tsis ntev dhau los no qhov kev nthuav tawm tshiab tau tshwm sim rau ntawm muag - ultraviolet flashlights. Lawv ua hauj lwm ntawm LEDs, qhia tawm nrog lawv lub teeb beam qhov ultraviolet spectrum pom qhov muag tib neeg qhov muag. Cov teeb cig muaj peev xwm ua tau nyob rau hauv daim ntawv ntawm lub hnab tshos los yog lub mloog pob ntseg, cov cim tseem ceeb me me thiab cov khoom siv nyob ruaj ruaj. Nyob ruaj ruaj ultraviolet yaj yog nruab rau hauv tsev tso nyiaj thiab cov ntawv sau nyiaj ntsuab kom paub tseeb tias banknotes rau authenticity. Cov hnab looj tes me me ua tau yooj yim heev rau kev siv hauv lub neej txhua hnub rau cov hom phiaj hauv qab no.
Vim li cas kuv thiaj xav tau qhov teeb meem ultraviolet?
Lawv qhov chaw nrog flashlights nrog ultraviolet lub teeb tau nrhiav tom qab tsim muaj cov xim fluorescent. Nws yog reflected nyob rau hauv lub qhov muag pom lub teeb nqaj ntawm lub teeb. Los ntawm kev yuav khoom xws li lub tshuab ntaus ntawv, koj tuaj yeem siv nws ua ib qho khoom ntiag tug rau ntau yam tshuaj uas yuav nkag mus rau UV hluav taws xob.
- Feem ntau, ultraviolet flashlights yog yuav los xyuas cov nyiaj. Raws li koj paub, ntawv sau txog peb lub sij hawm muaj ntau theem kev tiv thaiv - cov no yog ornaments, cov plaub hau kev tiv thaiv, ua ib co, thiab lwm yam. Feem ntau ntawm lawv muaj peev xwm ci zog hauv ntau ntxoov nyob rau hauv ultraviolet hluav taws xob nrog ib lub paj hlwb. Yuav lub hnab tawv nqaij teeb tsa ua ib qho khoom ntiag tug ntawm cov ntawv pov thawj ntawm cov ntawv pov thawj yuav yog qhov tseem ceeb yog tias koj ua haujlwm hauv kev lag luam. Txawm li cas los xij, koj yuav tsum paub txog qhov kev tiv thaiv ntawm kev sau ntawv, vim cov neeg ua lag luam niaj hnub no zoo rau cov khoom pov tseg txawm tias kev tiv thaiv.
- Tshawb xyuas cov kua dej ua haujlwm hauv cov tsheb thiab lwm cov tshuab. Yog xav paub seb puas muaj tus kab mob li cas, nws yuav tsum tau ntxiv rau qhov ua ntej yuav ntxiv cov xim fluorescent rau cov dej ntshiab. Ntxiv rau kev tshawb nrhiav txog kev xau, cov neeg tsav tsheb qee zaum siv ultraviolet teeb tsa coj los xyuas cov kev ua lag luam tawm tsam.
- Qee qhov muag ceev fais fab muaj peev xwm siv tau rau hauv speleology thiab geology - nrhiav thiab txiav txim xyuas ntau yam minerals thiab pob zeb. Piv txwv, hauv ib qho khoom plig ntawm yuav luag txhua hauv online khw koj yuav pom ib qho teeb nyem ultraviolet rau searching rau amber . Rau qhov kawg, nws yog qhov zoo dua los yuav ib tug qauv - lawv yog me ntsis kim tshaj cov lus pom zoo.
- Kev tiv thaiv ntawm qee qhov chaw ua los ntawm lub hoobkas tseem pom xwb nyob rau hauv lub teeb ntawm ultraviolet hluav taws xob. Yog tias txoj hauj lwm koj tau ntsib nrog txoj kev xav tau, ces UV teeb khoo yuav yog ib qho khoom tseem ceeb. Koj kuj yuav tsum paub tias cov teeb nyem muaj peev xwm "pom" hauv cov kab ntawv ultraviolet los ntawm cov cim tshwj xeeb uas tsis pom kev xws li Edding.
- Hauv cov neeg yos hav zoov, muaj teeb tsom nrog ultraviolet lub teeb mus nrhiav kev nrhiav ntawm cov tsiaj txhu raug mob, raws li cov ntshav nqus ultraviolet rays zoo thiab zoo nkaus li ib tsos tsaus tsawv ntawm txhua tus keeb kwm yav dhau.
- Hauv kev tsim txom thiab kev sib tw, teebmeem nrog rau cov tshuaj reagents siv los ntawm cov kws ua haujlwm los tshawb nrhiav kev siv roj ntsha ntau yam.
Hom ultraviolet LED flashlights
Txawm li cas los xij, tsis yog tag nrho cov khoom siv sib xws - lawv txawv tsis zoo nyob rau hauv cov qauv thiab lwm cov qauv, tab sis kuj nyob rau hauv spectrum ntawm ultraviolet hluav taws xob uas "pom". Hauv lwm cov ntsiab lus, tag nrho cov teeb nyem yog tsim rau ntau lub wavelengths ntawm lub teeb tsis. Tsis tas li ntawd, lawv muaj ntau lub LEDs, uas pom tau tias yog siv lub tshuab fais fab ultraviolet rau ntau qhov chaw.
- Cov ntsej muag ntawm 300-380 nm (nanometers) yog qhov zoo rau kev tshawb nrhiav kua roj ntsha, nrog rau kev tua kab.
- Txhawm rau xyuas cov lus sau, qhov ntev ntawm UV-nthwv dej yuav tsum yog yam tsawg 385 nm, thiab qee qhov tsis muaj teebmeem flashlights tsis tuaj yeem txhim kho kev tiv thaiv. Yog li, nws yog qhov zoo tshaj plaws los siv lub teeb Fluorescent BlackLight.
- Yuav kom paub qhov txawv tsis pom kev, koj yuav tsum muaj lub teeb tsom nrog ib lub qhov ntev ntawm 385-400 nm.
- Yog tias koj xav yuav ib lub teeb nyem ultraviolet cia rau kev lom zem, ces paub tias cov ntaub ntawv ua nrog cov xim fluorescent (xws li, piv txwv li, nyob rau hauv nightclubs) yuav ci thaum muaj dej ntawm txhua qhov ntev. Lus hauv no teb Rau qhov no, txawm tias ib lub hnab ntim khawm me me tseem yuav txaus.