The Advantest Q8341 is a high-performance Optical Spectrum Analyzer that utilizes a Michelson interferometer and Fourier spectroscopy. Optimized for a wavelength range of 350 to 1000 nm, it provides an outstanding resolution of up to 1 pm or 1 GHz in frequency mode, making it an excellent instrument for the research and analysis of blue-violet laser diodes and next-generation optical pick-ups. With a rapid 0.5 s sweep speed, built-in HeNe laser calibration source, and dedicated coherence length measurement up to 40 mm, it delivers precise and stable optical measurements in a compact 15 kg package.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, VGA output, Centronics Parallel, Keyboard, 3.5-inch FDD |
| Display | 6.5-inch color TFT LCD |
| Built-in Storage | 3.5-inch FDD (2HD/2DD) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 240 V AC, 50/60 Hz, 150 VA or less |
| Operating Temperature | 10 to 40 °C |
| Dimensions (W×H×D) | 424 (W) × 177 (H) × 450 (D) mm |
| Weight | 15 kg |
Wavelength Specifications
| Parameter | Value |
|---|---|
| Wavelength Range | 350 to 1000 nm |
| Maximum Resolution | 0.01 nm |
| Wavelength Measurement Accuracy | 10 pm (0.01 nm) |
Measurement Speed and Sweep
| Parameter | Value |
|---|---|
| Sweep Time (Minimum) | 0.5 s |
Optical Interfaces
| Parameter | Value |
|---|---|
| Internal Calibration Light Source Type | HeNe laser |
Analysis and Application Software
| Parameter | Value |
|---|---|
| Coherence Length Measurement Range | Up to 40 mm |
Optical Input
| Parameter | Value |
|---|---|
| Optical Connector Type | FC/PC |
| Maximum Safe Input Power | +10 dBm |
Environmental
| Parameter | Value |
|---|---|
| Operating Humidity Range | 85% RH or less (no condensation) |
Optical Measurement
| Parameter | Value |
|---|---|
| Internal Reference Laser | He-Ne laser (632.8 nm) |
| Optical Input Level Range | -50 dBm to +10 dBm (at 633 nm / 850 nm) |
Compliance
| Parameter | Value |
|---|---|
| Laser Safety Class | Class 1 (IEC60825-1) |
Technology
Michelson Interferometer / Fourier Spectroscopy
Applications
Laser Diode Analysis & Coherence Length Measurement
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