Laser Confocal Photocurrent Imaging System
The photocurrent-imaging system visualizes photocurrent in new micro/nanoscale optoelectronic semiconductor devices. It reveals relationships between microstructure and optoelectronic properties, providing information on defects and carrier distribution, transport and recombination. Position-dependent chip photocurrent enables calculation of carrier distributions and diffusion lengths. Combining tunable spectra with micro-area photocurrent studies supports mechanism research and process optimization, guiding device design and performance improvement.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Light Source [Any Wavelength Available as Required] | 190~2100nm Supercontinuum,Halogen,Xenon,etc.;375,405,532,635,808,1530nm,etc. |
| Light Source Coupling | Fiber or Free-Space Optical Path |
| Numerical Aperture NA [Optional Microscope] | 0.75、1.0、1.4 |
| Amplification Factor [Optional Microscope] | 5X, 10X, 20X, 50X, 100X, etc. |
| Microscope Options | Long Working Distance Available, Multiple Manufacturers Available |
| Resolution [Optional for Microscope; 405nm] | ~200 nm |
| Maximum Scanning Pixel Count [Fast Scanning Module] | 2000 pix × 2000 pix |
| Scan Range [Fast Scan Module; 100X; Source Area Expression Retained] | 150 μm² |
| Scan Range [Fast Scan Module; 20X; Source Area Expression Retained] | 800 μm² |
| Minimum Dwell Time [Fast Scan Module; Source Comparison Sign Retained, HTML Feature 1us Retained Separately] | ≥1 us |
| Spectrometer | General Spectrometers, Fiber Spectrometers, etc. |
| Spectral Range [Spectrometer] | 200~1700 nm |
| Detector Type [Visible / Near-Infrared] | CCD、PMT、APD |
| Detector Wavelength [Visible / Near-Infrared] | 200~1000nm、1000~1700nm |
| Source Table | Keithley 2400/2600 (Domestic Alternative Optional) |
| Measurement Resolution [Source Table] | 1pA/100nV |
| Lock-In Amplifier | SRS SR830/860 (Domestic Alternative Optional) |
| Oscilloscope | Tektronix MDO02/3102 (Domestic Alternative Optional) |
| Bandwidth [Continuation Rows Immediately after Oscilloscope in Parameter Table] | 100MHz~1GHz |
| Probe Station | Custom |
Applications
Key Features
Datasheet
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Supplier Information
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