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A pulse picker is an electrically controlled optical switch used to extract single pulses from a fast pulse train. Short and Ultrashort pulses are in most cases generated by a mode-locked laser in the form of a pulse train with a pulse repetition rate of the order of 10 MHz – few GHz. For various reasons, it is often necessary to pick certain pulses from such a pulse train, i.e., to transmit only certain pulses and block all the others. This can be done with a pulse picker, which is essentially an electrically controlled optical gate.
Additional information
TeO2 General purpose Pulse Pickers
| Model | Wavelength nm | Aperture mmxmm | Polarisation | Beam diameter mm | Rise Time ns | Max Repetition rate with Duty cycle < 1/10 MHz | Separation angle (0-1) mrd | Efficiency % | Associated RF drivers |
|---|---|---|---|---|---|---|---|---|---|
| MT200-A0.5-800 | 700-950 | 0.5 x 1 | Linear | 0.06 - 0.3 | 10 - 48 | 3.3 - 0.69 | 38 @800nm | 75 - 85 | MODAxx PPKxx |
| MT200-A0.2-1064 | 980-1100 | 0.2 x 1 | Linear | 0.09 - 0.3 | 15 - 48 | 2.2 - 0.69 | 50.6 @1064nm | 75 - 85 | MODAxx PPKxx |
| MT250-A0.12-800 | 700-950 | 0.12 x 1 | Linear | 0.04 - 0.1 | 6 - 16 | 5.5 - 2 | 47.6 @800nm | 70 - 85 | MODAxx PPKxx |
| MT250-A0.12-800 | 980-1100 | 0.12 x 1 | Linear | 0.05 - 0.1 | 8 - 16 | 4.1 - 2 | 63.3 @1064nm | 70 - 85 | MODAxx PPKxx |
SiO2 High Damage Threshold Pulse Pickers
| Model | Wavelength nm | Aperture mmxmm | Polarisation | Beam diameter mm | Rise Time ns | Max Repetition rate with Duty cycle < 1/100 KHz | Separation angle (0-1) | Efficiency % | Associated RF drivers |
|---|---|---|---|---|---|---|---|---|---|
| MQ80-A0.7-L1030.1064-Z20 | 1000-1100 | 0.7 x 1 | Linear | 0.3 - 0.5 | 33 - 55 | 100 - 60 | 14.3 @1064nm | 75 - 85 | MODAxx |
| MQ80-A0.3-L1030.1064-Z20 | 1000-1100 | 0.3 x 1 | Linear | 0.15 - 0.3 | 15 - 30 | 370 - 150 | 26.8 @1064nm | 50 - 70 | MODAxx |