pulseSelect



Suitable for fs and ps Mode-locked Lasers


Acousto-Optical Single Pulse Selector

pulseSelect is an acousto-optical single pulse selector, or pulse picker, developed for the special demands of femtosecond laser technology. Pulse distortion is minimized by a low dispersive design and the use of reflective optics. The use of an acousto-optical selection element allows for high repetition rates and high contrast ratio.

The pulse repetition rate can be reduced by using an adjustable internal frequency divider or by external triggering. With the pulseSelect low division ratios down to fREP/2 are possible. It has an integrated RF power limitation and protection circuit to prevent modulator damage. For highest stability the phase of the RF carrier frequency is locked to the repetition rate of the laser that it is used with.

At a Glance

  • Reduction of the repetition rate of mode-locked lasers
  • fs or ps mode-locked laser (e.g. Ti:Sapphire)
  • Low dispersion
  • Custom VIS wavelength ranges
  • Division ratio down to fREP/2

Double Stage Pulse Picker with pulseSelect DUAL

For improved contrast ratio of above 6000:1 APE offers the double stage version pulseSelect DUAL (serial). And for selecting pulses from two synchronized laser sources simultaneously the pulseSelect DUAL parallel.

pulseSelect Dual is a pulse selector – or pulse picker – using two acousto-optical Bragg cells and is avaialable in two variants:

pulseSelect Dual (serial)
This version is designed to allow for highest contrast ratio of above 6000:1 by placing two Bragg cells, both synchronized to one common clock, in serial configuration (i.e. one beam through two Bragg cells).

pulseSelect Dual (parallel)
This version is designed for selecting pulses from two synchronized laser sources simultaneously by placing two Bragg cells, both synchronized to one common clock with one common division ratio but independent delay settings, in parallel configuration (i.e. two separate beams each through one Bragg cell).

Specifications

pulseSelect Specification    
StandardHP-Ti:SaHP-Ti:Sa Dualband
Wavelength ranges500 ... 1600 nm680 ... 1080 nm340 ... 540 nm and 680 ... 1080 nm
Other ranges on requestOther ranges on requestOther ranges on request
Max. laser input power (PAV )< 2 W (SiO2)*< 5 W (SiO2)*< 5 W (SiO2)*
Diffraction Efficiency> 60% (TeO2)**
> 50 % (SiO2)**
Contrast Ratio> 500 : 1***
Input Frequency (fREP)
(to be specified with 0.5 MHz
accuracy at time of order)
72 ... 81 MHz
Extended Input Frequency (only optionally)
35 ... 90 MHz
External TriggerSingle-shot up to 3 MHz input
Input PolarizationHorizontal
(polarization rotator optional)
Division RatiofREP/2 ... fREP/260,000
or externally triggered

* These values depend on the laser spot diameter in the crystal or mirror coating and thus apply only to a certain system configuration. Please consult our technical staff to determine the maximum input power level as well as the appropriate focusing for the beam parameters applicable for your laser system setup.
** Ratio of the diffracted pulse energy to the pulse energy incident into Bragg cell. Measured with a fast photodiode at 800 nm and division ratio fREP/20.  At division ratio fREP/2 the efficiency is typically around 25 % (TeO2) and around 10 % (SiO2), respectively.
*** > 500:1 applies for non-adjacent pulses. Main pulse to adjacent pulse contrast ratio is > 75:1 (@ 800 nm fREP/20)

pulseSelect DUAL Specification    
StandardHP-Ti:SaHP-Ti:Sa Dualband
Wavelength500 ... 1600 nm680 ... 1080 nm340 ... 540 nm and 680 ... 1080 nm
Max. Input Power (PAV)< 2 W (SiO2)*< 5 W (SiO2)*< 5 W (SiO2)*
Input Frequency (to be
specified with 0.5 MHz
accuracy at time of order)
72 ... 81 MHz
Extended Input Frequency
(only optionally)
35 ... 90 MHz
External TriggerSingle shot up to 3 MHz input
Input PolarizationHorizontal
(polarization rotator optional)
Division RatiofREP/2 ... fREP/260,000


pulseSelect Dual (serial):


pulseSelect Dual (parallel):
Diffraction Efficiencyapprox. 25 % (SiO2)**> 50 % (SiO2)**/***
approx. 36 % (TeO2)**> 60 % (TeO2)**/***
Contrast Ratio> 6000:1****> 500:1*****

* These values depend on the laser spot diameter in the crystal or mirror coating and for the type of Bragg cell indicated and thus apply only for a certain system configuration. Please consult our technical staff to determine the maximum input power level as well as the appropriate focussing for the beam parameters applicable for your laser system setup.
** Ratio of the diffracted pulse energy to the pulse energy incident into Bragg cell. Measured at 800 nm and division ratio fREP/20.
*** At division ratio fREP/2 the efficiency is typically around 25 % (TeO2 Bragg cell) and around 10 % (SiO2 Bragg cell), respectively.
**** Main pulse to adjacent pulse contrast ratio is > 6000:1 (@ 800 nm fREP/20)
***** > 500:1 applies for non-adjacent pulses. Main pulse to adjacent pulse contrast ratio is > 75:1 (@ 800 nm fREP/20)

Datasheets & Brochures

pulseSelect (pdf / english)

pulseSelect_Dual (pdf / english)


Contact Us






or

Email & Phone Contacts

APE has distributors around the world to give you the best support. Choose a country to find your local sales contact:

APE Angewandte Physik & Elektronik GmbH
Plauener Strasse 163-165 | Haus N
13053 Berlin, Germany

Tel +49 30 98601130
Fax +49 30 986011333

Sales: sales@ape-berlin.de
Support: service@ape-berlin.de

Coherent Scientific pty. Ltd.
Hilton SA 5033, South Australia

Phone: +61 8 8150 5200
Email: sales@coherent.com.au

Pinnacle Scientific Cooperation
Hangzhou, Jianggan District
China 310020

Phone +86 571 88225151
Email: sales@psci.cn



PulsePower Technology Ltd.
Beijing, Haidan District
China 100090

Phone +86 10 62565117
Email: mlu@pulsepower.cn

OptiXs
199 00 Praha 9, Česko

phone +420 212 247 293
Email: info@optixs.cz

Gammadata Instrument AB
750 02 Uppsala
Sweden

Tel: +46 18 56 68 35
www.gammadatainstrument.se
Email: jenny.lindvall@gammadatainstrument.se

Optoprim
F 92170 Vanves, France

Tel: +33 1 419 061 80
Email: info@optoprim.com

Laser Sciences Services Pvt. Ltd.

Tel: +91 2778 1673
Email: sales@laserscience.in

Photonic Solutions PLC
Edinburgh, UK

Tel: +44 131 664 8122
www.photonicsolutions.co.uk
Email: sales@photonicsolutions.co.uk

Ammo Engineering Ltd.
Petach Tikva 49517, Israel

Tel: +972 3 9239 666
www.ammo.co.il
Email: ammo1@ammo.co.il

Optoprim Srl.
20052 Monza, Italy

phone +39 (039) 834977
Email: info@optoprim.it

Phototechnica Corporation
Saitama 336-0017, Japan

Tel: +81 48 871 0067
www.phototechnica.co.jp
Email: voc@phototechnica.co.jp

RayVis
Seoul 137-862, Korea

Tel: +82 2 3461 1103
www.rayvis.kr
Email: sales@rayvis.co.kr

MEXITEK, S.A.
Mexico City 03100, Mexico

Tel: 52(55) 5575-0312/0269/9929
Email: sales@mexitek.com

Eurotek International
02-668 Warsaw, Poland

Tel: +48 2284 379 40
jdresner@eurotek.com.pl

Innova Scientific S.L.
28290 Las Rozas de Madrid, Espana

Tel: +34 91 7105650
www.innovasci.com
Email: rafael.pereira@innovasci.com

AceXon Technologies Pte. Ltd.
Singapore 658065

Tel: +65 (6565) 7300
www.acexon.com
Email: lawrence.chua@acexon.com

Innova Scientific S.L.
28290 Las Rozas de Madrid
Espana

Tel: +34 91 7105650
www.innovasci.com
Email: rafael.pereira@innovasci.com

Dyneos AG
CH-8307 Effretikon
Switzerland

Tel: +41 52 355 12 40
www.dyneos.ch
Email: info@dyneos.ch

SuperbIN Company Ltd.
Taipei 11493
Taiwan, R.O.C.

Tel: +886 2 265 706 78
Email: info@superbin.com.tw

Photonic Solutions PLC
Edinburgh
UK

Tel: +44 131 664 8122
www.photonicsolutions.co.uk
Email: sales@photonicsolutions.co.uk

APE Applied Physics & Electronics, Inc.
45401 Research Ave., Suite 141
Fremont, CA 94539, USA

Tel: +1(888) 690-3250
www.ape-america.com
Email: sales@ape-america.com
Email: service@ape-america.com