Lumispot Technology Co., Ltd., nke dabere na ọtụtụ afọ nke nyocha na mmepe, mepụtara obere laser nwere ike nke 80mJ, ugboro ugboro nke 20 Hz na ogologo ebili mmiri nke anya mmadụ nke 1.57μm. Emere nsonaazụ nyocha a site n'ịbawanye arụmọrụ mkparịta ụka nke KTP-OPO na ime ka mmepụta nke modulu laser diode isi iyi mgbapụta dịkwuo mma. Dịka nsonaazụ nnwale ahụ si dị, laser a na-emezu ihe achọrọ maka okpomọkụ ọrụ dị ukwuu site na -45 ℃ ruo 65 ℃ yana arụmọrụ dị mma, na-eru ọkwa dị elu na China.
Pulsed Laser Rangefinder bụ ngwa eji atụ anya site na uru nke laser pulse nke a na-eduzi na ihe mgbaru ọsọ ahụ, yana uru nke ikike ịchọta oke ziri ezi, ikike mgbochi nnyonye anya siri ike na nhazi dị mkpụmkpụ. A na-eji ngwaahịa a eme ihe nke ukwuu na nha injinia na ubi ndị ọzọ. A na-ejikarị usoro nchọta oke laser a eme ihe nke ukwuu na ojiji nke nha anya dị anya. Na nchọta oke anya a dị anya, ọ ka mma ịhọrọ laser siri ike nke nwere ike dị elu na akụkụ mgbasa ọkụ obere, na-eji teknụzụ Q-switching iji wepụta pulses laser nanosecond.
Usoro ndị dị mkpa nke pulsed laser rangefinder bụ ndị a:
(1) Igwe eji elele anya mmadụ nke na-echekwa anya mmadụ: Oscillator parametric optical nke 1.57um na-eji nwayọọ nwayọọ dochie ọnọdụ nke igwe eji elele anya laser nke 1.06um ogologo oge ọdịnala n'ọtụtụ ebe a na-ahụ maka ịchọpụta anya.
(2) Obere ihe nlele laser nke e ji mee ihe n'ebe dị anya nke nwere obere nha na ibu dị mfe.
Site na mmụba nke arụmọrụ sistemụ nchọpụta na onyonyo, achọrọ ihe nlele laser dịpụrụ adịpụ nke nwere ike ịtụ obere ihe mgbaru ọsọ nke 0.1m² karịa kilomita 20. Ya mere, ọ dị mkpa ka a mụọ ihe nlele laser arụmọrụ dị elu.
N'afọ ndị na-adịbeghị anya, Lumispot Tech tinyere mgbalị n'ime nnyocha, imewe, mmepụta na ire nke laser siri ike nke nwere ike ịnọdụ ala nke 1.57um, nke nwere obere akụkụ mgbasa ọkụ na arụmọrụ dị elu.
N'oge na-adịbeghị anya, Lumispot Tech, mepụtara laser oyi ikuku nke nwere ike oyi na-efegharị efegharị nke 1.57um, nke nwere ike kachasị elu na nhazi dị obere, nke sitere na ọchịchọ bara uru n'ime nnyocha nke miniization laser rangefinder dị anya. Mgbe nnwale ahụ gasịrị, laser a na-egosi atụmanya ngwa sara mbara, nwere arụmọrụ dị mma, ike mgbanwe gburugburu ebe obibi siri ike n'okpuru oke okpomọkụ ọrụ site na - 40 ruo 65 degrees Celsius,
Site na nhazi a, yana ọnụọgụ ntụaka ndị ọzọ a kapịrị ọnụ, site na imeziwanye ike mmepụta kachasị elu na ibelata akụkụ mgbasa nke ìhè, ọ nwere ike imeziwanye anya nha nke ihe nchọta rangefinder. N'ihi ya, ihe abụọ a: uru nke ike mmepụta kacha elu na obere akụkụ mgbasa nke ìhè laser nwere ọrụ oyi ikuku bụ akụkụ dị mkpa nke na-ekpebi ikike nha anya nke ihe nchọta rangefinder kpọmkwem.
Isi ihe dị mkpa iji hụ na laser ahụ nwere ogologo ebili mmiri anya mmadụ bụ oscillator parametric (OPO), gụnyere nhọrọ nke kristal na-abụghị ahịrị, usoro nhazi usoro na nhazi nhazi OPO. Nhọrọ nke kristal na-abụghị ahịrị dabere na nnukwu ọnụọgụ na-abụghị ahịrị, oke mmebi dị elu, ihe kemịkalụ na anụ ahụ kwụsiri ike na usoro uto tozuru oke wdg., nhazi usoro kwesịrị ibute ụzọ. Họrọ usoro nhazi usoro na-abụghị nke dị oke mkpa yana nnukwu akụkụ nnabata na obere akụkụ ọpụpụ; Nhazi oghere OPO kwesịrị ịtụle arụmọrụ na ịdị mma nke osisi dabere na iji hụ na a pụrụ ịtụkwasị obi. Usoro mgbanwe nke ogologo ebili mmiri mmepụta KTP-OPO yana akụkụ dakọtara usoro, mgbe θ=90°, ìhè mgbama nwere ike ịpụta laser nchekwa anya mmadụ kpọmkwem. Ya mere, a na-ebipụ kristal emebere n'otu akụkụ, ejiri nhazi akụkụ θ=90°, φ=0°, ya bụ, iji usoro nhazi klas, mgbe kristal dị irè bụ nke kachasị ukwuu ma enweghị mmetụta mgbasa.
Dabere na ntụle zuru oke nke okwu a dị n'elu, yana ọkwa mmepe nke usoro na akụrụngwa laser dị ugbu a n'ụlọ, ngwọta teknụzụ kachasị mma bụ: OPO na-anabata nhazi KTP-OPO oghere mpụga nke na-abụghị nke klaasị nke abụọ nke KTP-OPO; KTP-OPO abụọ ahụ na-apụta n'usoro kwụ ọtọ iji melite arụmọrụ ntụgharị na ntụkwasị obi laser dịka egosiri naFoto nke 1N'elu.
Isi mmalite nke ọkpọkọ bụ usoro laser semiconductor oyi nke na-eduzi onwe ya ma mepụta, yana okirikiri ọrụ nke 2% na ihe kachasị, ike kacha elu nke 100W maka otu ogwe na ike ọrụ zuru oke nke 12,000W. prism-n'akụkụ aka nri, enyo na-egosipụta ihe niile na-eme ka ọ bụrụ oghere polarization ejikọtara ọnụ, a na-atụgharịkwa prism-n'akụkụ aka nri na waveplate iji nweta mmepụta njikọ laser 1064 nm achọrọ. Usoro nhazi Q bụ modulation Q electro-optical arụ ọrụ nke dabere na kristal KDP.
Foto nke 1Kristal KTP abụọ ejikọtara n'usoro
N'ime usoro a, Prec bụ ike ọrụ kacha nta a na-achọpụta;
Pout bụ uru mmepụta kachasị elu nke ike ọrụ;
D bụ oghere sistemụ anya na-anata;
t bụ nnyefe sistemụ anya;
θ bụ akụkụ mgbasa nke ụzarị na-apụta ìhè nke laser ahụ;
r bụ ọnụego ntụgharị uche nke ihe mgbaru ọsọ;
A bụ mpaghara obe nke ihe mgbaru ọsọ ya;
R bụ oke nha kachasị ukwuu;
σ bụ ọnụọgụgụ nnabata ikuku.
Foto nke 2: Modulu usoro mmanya dị ka arc site na mmepe onwe onye,
na mkpanaka kristal YAG n'etiti.
IheFoto nke 2bụ ihe ndị e ji osisi rụọ dịka arc, na-etinye mkpanaka kristal YAG dị ka ihe na-eme ka laser dị n'ime modulu ahụ, nke nwere mkpokọta nke 1%. Iji dozie esemokwu dị n'etiti mmegharị laser n'akụkụ na nkesa symmetric nke mmepụta laser, ejiri nkesa symmetric nke usoro LD n'akụkụ nke ogo 120. Isi iyi mgbapụta ahụ bụ ogologo 1064nm, modulu ogwe abụọ gbagọrọ agbagọ 6000W na usoro mgbapụta tandem semiconductor. Ike mmepụta ahụ bụ 0-250mJ yana obosara pulse nke ihe dị ka 10ns na ugboro dị arọ nke 20Hz. A na-eji oghere apịachi apịachi, a na-ewepụtakwa laser ogologo 1.57μm mgbe kristal tandem KTP na-abụghị ahịrị.
Eserese nke 3Ihe osise nha nke laser pulsed ogologo 1.57um
Eserese nke 4Ngwa ihe nlele laser nke nwere ogologo 1.57um
Eserese nke 5:Mwepụta 1.57μm
Eserese nke 6:Arụmọrụ mgbanwe nke isi iyi mgbapụta ahụ
Ịhazi nha ike laser iji tụọ ike mmepụta nke ụdị ogologo ebili mmiri abụọ n'otu n'otu. Dịka eserese egosiri n'okpuru, uru ike fọdụrụ bụ uru nkezi na-arụ ọrụ n'okpuru 20Hz na oge ọrụ nkeji 1. N'ime ha, ike nke laser wavelength 1.57um mepụtara nwere mgbanwe na mmekọrịta nke ike isi iyi mgbapụta ebili mmiri 1064nm. Mgbe ike nke isi iyi mgbapụta ahụ hà nhata 220mJ, ike mmepụta nke laser wavelength 1.57um nwere ike iru 80mJ, yana ọnụego mgbanwe ruo 35%. Ebe ọ bụ na a na-emepụta ìhè mgbaàmà OPO n'okpuru ọrụ nke njupụta ike nke ìhè ugboro ugboro ntọala, uru oke ya dị elu karịa uru oke nke ìhè ugboro ugboro 1064 nm, ike mmepụta ya na-abawanye ngwa ngwa mgbe ike mgbapụta gafere uru oke OPO. E gosipụtara mmekọrịta dị n'etiti ike mmepụta OPO na arụmọrụ ya na ike mmepụta ọkụ ugboro ole bụ isi na eserese ahụ, nke a na-ahụ na arụmọrụ mgbanwe nke OPO nwere ike iru ruo 35%.
N'ikpeazụ, enwere ike nweta mmepụta pulse laser nke 1.57μm ogologo oge nke nwere ike karịrị 80mJ na obosara pulse laser nke 8.5ns. akụkụ nkewa nke pulse laser mmepụta site na pulse beam expander laser bụ 0.3mrad. Nlereanya na nyocha na-egosi na ikike nha oke nke pulsed laser rangefinder na-eji laser a nwere ike gafere 30km.
| Ogologo ebili mmiri | 1570±5nm |
| Ugboro ugboro | 20Hz |
| Nkuku mgbasa nke laser beam (mgbasawanye beam) | 0.3-0.6mrad |
| Obosara Pulse | 8.5ns |
| Ike Pulse | 80mJ |
| Awa Ọrụ Na-aga n'ihu | Nkeji 5 |
| Ibu | ≤1.2kg |
| Okpomọkụ Ọrụ | -40℃~65℃ |
| Okpomọkụ Nchekwa | -50℃~65℃ |
Na mgbakwunye na imeziwanye nyocha na mmepe teknụzụ nke ya, ime ka ndị otu R&D sikwuo ike na ime ka usoro ihe ọhụrụ na R&D nke teknụzụ ka mma, Lumispot Tech na-arụkọkwa ọrụ na ụlọ ọrụ nyocha mpụga na nyocha ụlọ ọrụ-mahadum, ma guzobe mmekọrịta dị mma na ndị ọkachamara ụlọ ọrụ ama ama n'ime obodo. Emepụtala teknụzụ isi na akụkụ dị mkpa n'adabereghị onwe ha, emepụtala ma mepụta akụkụ dị mkpa niile n'adabereghị onwe ha, a na-emepụtakwa ngwaọrụ niile n'ebe dị iche iche. Bright Source Laser ka na-eme ka ọsọ mmepe teknụzụ na ihe ọhụrụ dịkwuo ngwa ngwa, ọ ga-anọgide na-ewebata modulu laser rangefinder dị ọnụ ala na nke a pụrụ ịtụkwasị obi iji gboo mkpa ahịa.
Oge ozi: Juun-21-2023