Del Mar Photonics

Reef SS model ASF-20 Single-shot autocorrelator - request a quote

Pulse duration range: 20fs - 200fs
Minimum input energy: >1.5 nJ@100 MHz
>1 uJ@ss-10 Hz
Wavelength range: 700-900 nm
Input polarization: linear-horizontal
Input rep. rate: 1-10 Hz in single-shot mode
>10 Hz in multiple-shot mode
Dimensions: 407x167x155 mm
USB interface
Software and LabView drivers included

pdf

Question:

In looking at your website, I was interested in your Reef-SS-20 autocorrelator. I need to measure amplified pulses down around 30fs at 800nm. What resolution does the device have (fs/pix)? What is the input beam diameter?


Answer:

The resolution is about 4fs/pix. For a 30-fs pulse the beam diameter (1/e2, horizontal beam dimension is of most importance) should not be less than 1 mm. For the longest (200-fs) pulses of the device's range the diameter (1/e2, horizontal beam dimension is of most importance) should not be less than ~15 mm. Generally, the longer the pulse the wider the horizontal dimension should be. It is ok to telescope the beam if necessary.

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