UP2 Femtosecond Laser Pulse Picker

Ultrafast Pulse Pickers for up to 1 MHz Operating Rate

Code	Description	Price	Delivery	Add to cart
UP2-BBO-3.5	for up to 1 MHz operation, BBO clear aperture 3.5 mm, λ/4 operation at 1064 nm	Request	Request
UP2-BBO-2.5	for up to 2 MHz operation, BBO clear aperture 2.5 mm, λ/4 operation at 1064 nm	Request	Request
UP2-KTP-5.5	for up to 1 MHz operation, KTP clear aperture 5.5 mm, λ/2 operation at 800 nm	Request	4 - 5 days
UP2-KTP-3.5	for up to 2 MHz operation, KTP clear aperture 3.5 mm, λ/2 operation at 1064 nm	Request	Request

Pulse Synchronization and Delay Generators

Code	Description	Price	Delivery	Add to cart
pMaster 4.2	4 output channels, built-in High Voltage power supply	Request	Request

Accessories (Optional)

Code	Description	Price	Delivery	Add to cart
Minichiller 300-H	Chiller for water cooling of HV drivers	Request	Request

Specifications of Digital synchronization and delay pulse generator pMaster 4.2

pMaster is a timing generator with four output channels used for the full control of operation of Pockels cells drivers which are built-in UP2 pulse picking units. pMaster 4.2 also has built-in high voltage power supplies for powering of Pockels cells drivers.

Control modes	Internal pulse generator, External trigger, External RF source
INTERNAL PULSE GENERATOR
Operation modes	Single shot, burst, normal
Delay range	1.1 ns to 140 ms
Resolution	100 ps
Accuracy	25 ps + 0.000001 x delay
Time base	100 MHz, 0.2 ppm
RMS jitter	<100 ps
Channel to channel jitter	<30 ps
EXTERNAL SYNCHRONIZATION
Synchronization source	External trigger, SYNC IN input
Rate	1 Hz to 20 MHz
Min pulse width	10 ns
Threshold	1.3 V
Input level	LVTTL, tolerates 5 V
Impedance	0.2 mA pulldown
Slope	rising
EXTERNAL RF SOURCE, CLK IN INPUT
Rate	10 MHz – 100 MHz
Min pulse width	300 ps
Input level	0.5 V to 3.3 V
Impedance	50 Ω
OUTPUTS
Output level	4.5 V
Output impedance	50 Ω
COMMUNICATION, POWERING, PHYSICAL SPECIFICATIONS
Communication	USB
Power	230 V AC 50 Hz or 110 V AC 60 Hz
Dimensions W x D x H, mm	482 x 387 x 88 mm
Weight netto (including cables)	6.6 kg

Specifications of UP2 Pulse Picker

UP2 can be set for operation at standard laser wavelengths (1064 nm, 1030 nm, 800 nm) or at any specific laser wavelength in the range from 500 to 2000 nm.

Pulse picker	UP2-BBO-3.5	UP2-BBO-2.5	UP2-KTP-5.5	UP2-KTP-3.5
Built-in driver, max operating rate	up to 1 MHz	up to 2 MHz	up to 1 MHz	up to 2 MHz
Max laser repetition rate for single pulse picking	100 MHz
HV power supply	provided in pMaster 4.2
Operation	quarter-wave, λ/4		half-wave, λ/2
HV pulse duration	0-5000 ns
HV pulse rise time, typical	<7 ns
HV pulse fall time, typical	<7 ns
Pockels cell contrast ratio, VCR	1:500
Pockels cell transmission	>98% at 1064 nm		>98% at 800 nm	>98% at 1064 nm
Clear aperture	Ø3.5 mm	Ø2.5 mm	Ø5.5 mm	Ø3.5 mm
Cooling	water
Dimensions L x W x H, mm	240 x 275 x 59 mm

EKSMA Optics Pulse Picking Systems UP2 98.19 kB	PDF
EKSMA Optics Electro Digital Synchronization and Delay Pulse Generator pMaster - 4.2 117.58 kB	PDF

UP2 pulse picker consists of built-in drivers in full bridge configuration, Pockels cell, high contrast rate polarizers, beam dump and other optical components necessary for pulse picking application. UP2 pulse picker in setup with pMaster 4.2 generator is able to select pulses at up to 2 MHz rate from max 100 MHz repetition rate pulse train. UP2 comes with BBO or KTP Pockels cell which are set for quarter wave or half voltage operation depending on the laser wavelength and required minimal clear aperture of the Pockels cell.

KTP Pockels cell usage is limited by the average power of the laser beam – up to 2W and contrast ratio is typically >1:500. While BBO Pockels cells operate at much higher power levels and feature higher contrast ratio – typically >1:1000.

Suggested operation schemes

Single pass (half-wave) operation scheme

MP1 Pulse Picker Half-Wave Operation Scheme

Double pass (quarter-wave) operation scheme

MP1 Pulse Picker Half-Wave Operation Scheme

Note. Additional components - Faraday rotator, λ/2 waveplate and polarizers are required for safe operation of the laser when pulse picker is used in double pass configuration. Please contact us for more details.

Ultrafast Pulse Picker UP2

Ultrafast Pulse Picker UP2

Specifications of Digital synchronization and delay pulse generator pMaster 4.2

Specifications of UP2 Pulse Picker

Suggested operation schemes

Ultrafast Pulse Picker UP2

Ultrafast Pulse Picker UP2

Specifications of Digital synchronization and delay pulse generator pMaster 4.2

Specifications of UP2 Pulse Picker

Suggested operation schemes

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