SSI - Lock-in Amplifier

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Products

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1-CH Lock-in Amplifier

DC to 400MHz frequency

25ns to 30ks time constants

Up to 8 demodulators

3nV/√Hz input noise

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2-CH Lock-in Amplifier

DC to 400MHz frequency

2 independent lock-in units

Up to 8 demodulators

3nV/√Hz input noise

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Lock-in Amplifier Module

DC to 100 kHz/500 kHz/1 MHz

5nV/√Hz input noise

Up to 8 demodulators

>130 dB dynamic reserve

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Multi-Channel Lock-in Amplifier

DC to 100 kHz/500 kHz/1 MHz

5nV/√Hz input noise

Up to 8 demodulators

Up to 3-10 channels available

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Optical Chopper

1 Hz-10 kHz chopping frequencies

Various types of blade options

High-precision phase-locked loop

TTL/CMOS level input & output

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Source Measure Unit

0.012% basic measure accuracy

Resolution (I/V): 4 fA/ 8 nV

I-ranges: 10nA-1A

V-ranges: 20mV-200V

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Pre-amplifier

DC to 100MHz frequency

2nV/√Hz voltage noise

60fA/√Hz current noise

Current/voltage optional

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OE4201 Current Source

Voltage to Current

1 Hz-100 kHz frequency

Gain: 2mA/V, 200mA/V

Input range: 5mV-0.5V

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Customer Evaluation

The OE1022D dual-channel lock-in amplifier allows for rapid data acquisition and simultaneous measurement of various demodulation frequencies for synchronization.

Weizmann Institute of Science

The OE1022 Lock-in Amplifier offers superior performance and ease of use for scanning tunneling spectroscopy measurements.

Shanghai Jiao Tong University

The OE1022 lock-in amplifier measures signal-to-noise ratios significantly better than instruments of international counterparts.

Skyray Instrument

After testing several brands of lock-in amplifiers on the market, Prof. Steve Mann of the University of Toronto praised the lock-in amplifiers produced by SSI as the best measurement results among all instruments.

University of Toronto

The performance of the OE1022 lock-in amplifier is stable, and its convergence speed and measurement accuracy in small ranges are significantly better than those of a well-known international brand.

Nari Technology Co.,Ltd.

Customer List

Exhibition information

The 9th National Conference on Magnetic Materials and Devices

The 2nd Applied Physics Conference 2025

2025 APS March Metting-Hong Kong Satellite Virtual Meeting

Chinese Physical Society Autumn Meeting 2024

Date

2024/10/10-2024/10/13

Location

Hainan, China

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News

                            01
SSI Deeply Participates in the Compilation of "Electronic Measuring Instrument Industry and Standardization Research Report"
In December 2024, the Research Report on Electronic Measuring Instrument Industry and Standardization (2024 Edition) (hereinafter referred to as "the Report") compiled by China National Institute of Electronics Standardization (CNIETS) was officially released.

                            02
OE1201 Used in Spontaneous Broken-symmetry Insulator and Metals in Tetralayer Rhombohedral Graphene
In September 2023, Associate Professor Guorui Chen's team at the Key Laboratory of Artificial Structures and Quantum Regulation of the Ministry of Education, Shanghai Jiao Tong University, collaborated with Jeil Jung's team at Seoul National University, Korea, to publish an article in Nature titled "Spontaneous broken-symmetry insulator and metals in tetralayer rhombohedral graphene". 

                            03
OE1022 Applied to Metal-Insulator Transitions  Quantum Critical Phenomena Measurements
In 2022, Prof. Xiaomu Wang and Prof. Yi Shi from Nanjing University published an article in Nature Communications titled "Quantum Criticality of Excitonic Mott Metal-Insulator Transitions in Black Phosphorus". The article reports on the spectroscopy and transport phenomena of excitonic Mott metal-insulator transitions in black phosphorus. Photoexcitation continuously modulates the interactions between electron-hole pairs.

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