LADP-3 Microwave Electron Spin Resonance Apparatus

Tsanangudzo Pfupi:

Electron spin resonance inonzi zvakare erekitironi paramagnetic resonance, iyo inoreva chiitiko chekuchinja kweresonance pakati pesimba remagineti eiyo electron spin magineti nguva kana ichikanganiswa neinowirirana frequency electromagnetic wave mumunda wemagineti.Ichi chiitiko chinogona kucherechedzwa muparamagnetic zvinhu zvine unpaired spin magineti nguva (kureva makomisheni ane maerekitironi asina kubatanidzwa).Naizvozvo, maerekitironi spin resonance inzira yakakosha yekuona maerekitironi asina kubatanidzwa munhau uye kudyidzana kwawo nemaatomu akatenderedza, kuitira kuti uwane ruzivo nezve microstructure yezvinhu.Iyi nzira ine kunzwisiswa kwepamusoro uye kugadzirisa, uye inogona kushandiswa kuongorora zvinyorwa zvakadzama pasina kukuvadza chimiro chemuenzaniso uye hapana kukanganisa kuita kwemakemikari.Parizvino, inoshandiswa zvakanyanya mukutsvaga kwefizikisi, chemistry, biology uye mushonga.

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Miedzo

1. Kudzidza uye kubvuma electron spin resonance phenomenon.

2. Yera yeLandeg-chikamu cheDPPH muenzaniso.

3. Dzidza kuti ungashandisa sei microwave zvishandiso muEPR system.

4. Nzwisisa kumira kwesaisai nekuchinja kureba kwegomba resonant uye sarudza waveguide wavelength.

5. Yera kumira wave wave kugovera munzvimbo mune resonant cavity uye sarudza waveguide wavelength.

Zvinotsanangurwa

Microwave System
Short-circuit piston	kugadzirisa siyana: 30 mm
Muenzaniso	DPPH hupfu muchubhu (zviyero: Φ2 × 6 mm)
Microwave frequency mita	kuyerwa kwechiyero: 8.6 GHz ~ 9.6 GHz
Waveguide dimensions	mukati: 22.86 mm × 10.16 mm (EIA: WR90 kana IEC: R100)
Electromagnet
Input voltage uye kururama	Max: ≥ 20 V, 1% ± 1 digit
Input current range uye huchokwadi	0 ~ 2.5 A, 1% ± 1 digit
Kugadzikana	≤ 1×10^-3+5 mA
Simba remagineti	0 ~ 450 mT
Kutsvaira Munda
Output voltage	≥ 6 V
Output current range	0.2 ~ 0.7 A
Phase kugadzirisa range	≥ 180°
Scan kubuda	BNC yekubatanidza, saw-zino wave kubuda 1 ~ 10 V
Solid State Microwave Signal Source
Frequency	8.6 ~ 9.6 GHz
Frequency drift	≤ ± 5×10^-4/15 min
Kushanda voltage	~ 12 VDC
Output power	> 20 mW pasi peyakaenzana amplitude mode
Operation mode & parameters	Yakaenzana amplitude
	Yemukati sikweya-wave modulationKudzokorora frequency: 1000 HzKururama: ± 15% Skewness: <± 20％

Waveguide dimensions	mukati: 22.86 mm × 10.16 mm (EIA: WR90 kana IEC: R100)

Zvikamu List

Tsanangudzo	Qty
Main Controller	1
Electromagnet	1
Support Base	3
Microwave System	1 seti (kusanganisira akasiyana microwave zvikamu, sosi, detector, nezvimwewo)
DPPH Muenzaniso	1
Cable	7
Chinyorwa Chekudzidzisa	1