The LSA module is a plug-and-play laser source analyzer. It can measure the temporal evolution of the laser’s emission frequency, the frequency/phase noise spectrum in three different units, the temporal evolution of the laser’s power, and the relative intensity noise spectrum (RIN), while allowing exporting raw data and plots, in a form compatible with a 19-inch 3U rack.
YOUR ULTRALOW NOISE SYSTEMS.
SILENTSYS develops, produces, and commercializes solutions in photonics, microwave/THz, and electronics. With patented designs and extensive expertise, the products are compact and user-friendly. SILENTSYS targets emerging industrial and lab needs, especially in quantum technologies, metrology, sensing, and communications, offering cutting-edge performance tailored to modern applications.
LSA: Laser Source Analyzer
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A simple access to a fast and accurate Laser Noise Characterization: Complex measurements within reach!
SPECIFICATIONS
| Number of channels | 1 or 2 |
| Wavelength range | 385 nm – 2200 nm (to be defined at the order) |
| Input power range | mW to µW |
| Laser type | Single mode continuous wave |
| Input fiber type | FC/APC, PM slow axis (others on request) |
| Max Frequency noise bandwidth | 50 MHz |
| Measurement quantities | Laser frequency fluctuations (Hz), Laser power fluctuations (mW), Laser frequency/phase noise PSD (Hz²/Hz, Hz/√Hz, dBc/Hz), Laser relative intensity noise PSD (dB/Hz) |
| Time to measure and display the data | 10 Hz to 12.5 MHz → 2 to 3 sec 10 Hz to 50 MHz → 5 to 6 sec 1 Hz to 50 MHz → 50 to 60 sec |
| Dynamic range | >> 300 dB (typ. for phase noise in dBc/Hz) |
| Minimum measurable intrinsic linewidth* | 0.03 Hz |
| Minimum measurable RIN | -155 dB/Hz (with 500µW input power) |
| Interface | Capacitive Touchscreen QLED 10.4 inch |
| Output connectors | USB for data transfer |
| Product dimensions | 440 x 380 x 135 mm³ |
| Product weight | 15 kg |
| Datasheet |  |
*This value corresponds to π*white frequency noise, but it does not always have a physical meaning. Read more in our white paper.
PERFORMANCES
FUNCTIONAL DIAGRAM
The functional diagram is a simple view of what the instrument does. It enables a fast and simple understanding of the internal functionalities in respect to the system inputs and outputs.
DRAWINGS
The dimensions of the device are presented here with a simplified view. It also shows the connections from the front and back view of the instrument.
Dimensions are in [mm]
Related White Papers.
Gallery.
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