FSAC Interferometric Autocorrelator
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United States
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On FindLight:
since 2020
Description
The FSAC Interferometric Autocorrelator is designed for accurate pulse width characterization of femtosecond lasers in the 650-1100 nm wavelength range. This compact, user-friendly device provides pulse width measurements from 50 fs to 10 ps, with a selectable gain up to 70 dB to accommodate a wide range of input powers. Ideal for diagnostics of femtosecond Ti:sapphire lasers, it utilizes a modified Michelson interferometer with a nonlinear detector.
The setup is straightforward with integrated iris and alignment target for easy setup. This autocorrelator delivers high-resolution interferometric autocorrelation signals, compatible with oscilloscopes of >1.5 MHz bandwidth, ensuring precise measurement for ultrafast laser applications.
Designed for flexibility, it can be used for both precompensated and uncompensated pulses, offering full scan ranges and micrometer adjustments for fine-tuning. With its rugged build and multiple alignment options, the FSAC is a reliable tool for laser research and testing.
FSAC Interferometric Autocorrelator
Specifications |
|
|---|---|
| Device Type: | Autocorrelator |
| Measurable Pulse Width: | 15 – 1000 fs |
| Wavelength Range: | 650 – 1100 nm |
| Input Polarization: | Horizontal |
| Scan Range: | 50 - 10,000 fs |
| Scan Range: | |
| Input Repetition Rate: | >300 kHz |
| Gain: | 0-70 dB |
| Input Power: | Up to 150 mW |
| Beam Size (1/e²): | Ø4 mm max (horizontal polarization) |
| Scan Rate: | 5 Hz |
| Detector: | Photodiode with micrometer position tuning |
| Dimensions: | 175.26 x 140.18 x 122.47 mm |
| Weight: | 1.5 kg |
| Power Supply: | 24 V DC – < 7 A |
Features
- Wide Wavelength Range: Operates between 650-1100 nm for versatile use with different femtosecond lasers
- Pulse Width Range: Measures pulse widths from 50 fs to 10 ps (or as short as 15 fs with precompensation)
- Selectable Gain: Adjustable gain from 0 dB to 70 dB, accommodating a broad range of input powers (up to 150 mW)
- High-Resolution Output: Outputs autocorrelation signals for oscilloscope viewing with >1.5 MHz bandwidth
- Compact and User-Friendly: Compact size (6.90" x 5.53" x 4.82") with easy-to-reach controls for fine-tuning
- Precise Alignment: Includes integrated iris and alignment target for simplified setup and adjustments
- Multiple Setup Options: Compatible with horizontally polarized input beams up to Ø4 mm and adjustable for beam height and polarization
Applications
- Femtosecond Laser Diagnostics: Ideal for Ti:sapphire and other femtosecond lasers, offering precise pulse width measurements
- Optical Research: Perfect for researchers needing reliable ultrafast pulse characterization in high-precision setups
- Laser Performance Optimization: Helps optimize laser pulse characteristics for various ultrafast laser applications
- Precompensated Pulse Measurements: Measures sub-40 fs pulses with precompensation for accurate results
Frequently Asked Questions
The FSAC Interferometric Autocorrelator can measure pulse widths in the 650 - 1100 nm wavelength range.
The FSAC Interferometric Autocorrelator is well suited for diagnostics of femtosecond Ti:Sapphire lasers and 1um oscillators.
The FSAC Interferometric Autocorrelator consists primarily of a modified Michelson interferometer with a nonlinear detector at the output.
The FSAC Interferometric Autocorrelator can handle a maximum average power of 150 mW.
The FSAC Interferometric Autocorrelator has intuitive, easy-to-reach controls on the outside of the enclosure that allow the user to optimize the resolution and fringe contrast. The controls for the delay arm enable a full scan range of 50 fs to 10 ps, and a micrometer tunes the detector's position for maximum signal.