> Lasers

Pico-second Laser (1)

Pedestal-free high quality pulses
Clean and narrow optical spectrum – no ripple
Diffraction limited beam
Passively air cooled – no water cooling

Brief Description: Our low-noise picosecond laser module designed for OEM and R&D applications.

PRODUCT DESCRIPTION

STHR-OL Series

The STHR-OL series, Low-Power Picosecond Ultrafast Lasers, Robust and affordable, it produces high energy pulses with durations below 10 ps. The laser is based on a hybrid optical amplifier architecture that combines the advantages of fiber laser technology with solid state diode pumped multi-pass amplifiers. Compact and water-cooled, this laser is low maintenance and never needs realignment. Available in 3 standard wavelengths, special specification can be customized, this laser is ideal for fast, high precision material processing at an affordable price.

Features:

-<10 picosecond pulses

-Long term power stability < 3%rms

-High beam quality with M² ≤ 1.3

-Serial Interface

Specification:

Parameters	STHR-OL-355-0.7	STHR-OL-1064-2
Average Power	>0.7W@100KHz	>2W@500KHz
Wavelength	355nm	1064nm
Pulse Width	<10ps	<10ps
Pulse Repetition Rate	50kHz-1000kHz	50kHz-1000kHz
Spatial Mode	M²≤1.3	M²≤1.3
Working Material	Nd:YVO₄	Nd:YVO₄
Beam-pointing	<25μrad	<25μrad
Beam Roundness	≥85%	≥90%
Beam Diameter	≤1.0mm	≤1.5mm
Beam Divergence	≤2mrad	≤2mrad
Pulse Stability	≤2%rms	≤2%rms
Long-Term Stability	≤3%rms	≤3%rms
Ambient Temperature	18-35℃	18-35℃
Cooling	Water	Water
Polarization Ratio	Vertical, >1000:1	Vertical, >1000:1
Power Consumption	700W	700W
Classification	Class 4	Class 4

Our STHR-OL series, Mid-power and High-power Picosecond Ultrafast Lasers is a compact and powerful, hybrid fiber/free space amplified ultrafast laser. With pulses shorter than 10ps, this laser is ideal for fast, high precision micro-machining and material processing of any material. The robust STHR-OL combines the advantages of fiber laser technology with solid state diode pumped free space amplification. Compact and water-cooled, this laser is low maintenance and easy to integrate with other equipment. Available with single or multiple wavelength combinations.

Features:

-<10 picosecond pulses

-Long term power stability < 3%rms

-High beam quality with M² ≤ 1.3

-Serial Interface

Specifications:

Parameters	STHR-OL-1064-10 (Mid Power)	STHR-OL-1064-50 (High Power)
Average Power	>10W@500KHz	>50W@500KHz
Wavelength	1064nm	1064nm
Pulse Width	<10ps	<10ps
Pulse Repetition Rate	50kHz-1000kHz	50kHz-1000kHz
Spatial Mode	M²≤1.3	M²≤1.3
Working Material	Nd:YVO₄	Nd:YVO₄
Beam-pointing	<25μrad	<25μrad
Beam Roundness	≥90%	≥90%
Beam Diameter	≤1.5mm	≤1.5mm
Beam Divergence	≤2mrad	≤2mrad
Pulse Stability	≤2%rms	≤2%rms
Long-Term Stability	≤3%rms	≤3%rms
Ambient Temperature	18-35℃	18-35℃
Cooling	Water	Water
Polarization Ratio	Vertical, >1000:1	Vertical, >1000:1
Power Consumption	1000W	1000W
Classification	Class 4	Class 4

STOF-GK series Pico-second Lasers

STOF-GK series low-noise picosecond laser module designed for OEM and R&D applications.

Features:

·Pedestal-free high quality pulses

·Clean and narrow optical

spectrum – no ripple

·Very low amplitude and phase noise

·No amplifier built in – no ASE noise

·Diffraction limited beam

·High repeatability and 24/7 operation

·Compact, dust-sealed OEM package

·Plug & play

·Passively air cooled – no water cooling

·Low power consumption

·Remote control

·One-button operation – no adjustment knobs or screws

·Maintenance free – no user-serviceable parts inside or outside laser

Specifications:

Model	STOF-GK-10	STOF-GK-15
Center wavelength	1030-1064nm	1530-1575nm
Pulse duration	1-15ps	<5ps
Average power (up to)	15mW	150mW
Pulse repetition rate	40MHz-10GHz	40MHz-10GHz
Spectral bandwidth	<2nm	<5nm
Output1	Collimated free space, M2<1.1	Collimated free space, M2<1.1
PER	>20dB	>20dB
Amplitude noise	<0.2% rms, <0.5% pk-pk (24h)	<0.2% rms, <0.5% pk-pk (24h)
Center wavelength drift	<0.1nm pk-pk (24h)	<0.1nm pk-pk (24h)
Warm-up time	<10 minutes	<10 minutes
Specs guaranteed	10°C -40°C	10°C -40°C
Storage temperature	-20°C -65°C	-20°C -65°C
On/Off cycles	>10 000	>10 000
Size laser head2	296 x 112 x 54 mm3	296 x 112 x 54 mm3
Size std. controller	165 x 104 x 40 mm3	165 x 104 x 40 mm3
Power consumption	< 15 W	< 15 W
Power supply	90-264VAC, 47-63Hz	90-264VAC, 47-63Hz
Weight laser head	2.5 kg	2.5 kg
Weight controller	0.65 kg	0.65 kg

1fiber output is available as an option

2exact size and weight depend on the pulse repetition rate, data for 80MHz version

Options:

·Synchronization to external clock for ultralow timing jitter

·Electrical interface for pump power control

·Piezo controlled cavity length

·Repetition rate tunability

·Wavelength tunability

·Internal monitor PD

·Optical isolator

·On request: Integration of user-defined opto-electronic devices (e.g. THz emitter or speciality fibers)

STOF-GK series High Power Pico-second Lasers

STOF-GK series high power 1-um picosecond laser module designed for OEM and R&D applications.

Features:

·Pedestal-free high quality pulses

·Clean optical spectrum – no spectral ripple

·Low amplitude and phase noise

·No amplifier built in – no ASE noise

·High repeatability and 24/7 operation

·Compact, dust-sealed OEM package

·Plug & play

·Lightweight – mountable in any orientation

·Low power consumption

·Remote control

·One-button operation – no adjustment knobs or screws

·Maintenance free – no user-serviceable parts inside or outside laser

Specifications:

Model	STOF-GK-10 HPND	STOF-GK-10 HPYB
Center wavelength	1064nm	1030nm
Pulse duration	<15ps	1-7ps
Average power (up to)	>3W	>3W
Pulse repetition rate	40-250MHz	40-250MHz
Pulse energy (up to)	80nJ	80nJ
Spectral bandwidth	<0.6nm	<1.3nm
Output	Collimated free space, M2<1.2	Collimated free space, M2<1.2
PER	>23dB	>23dB
Amplitude noise	<0.5% rms, <1% pk-pk (1h)	<0.5% rms, <1% pk-pk (1h)
Center wavelength drift	<0.1nm (1h)	<0.1nm (1h)
Pointing stability	<50 urad rms (12h)	<50 urad rms (12h)
Warm-up time	<15 minutes	<15 minutes
Specs guaranteed	-18°C -32°C	-18°C -32°C
Storage temperature	-20°C -65°C	-20°C -65°C
On/Off cycles	>10 000	>10 000
Size laser head1	240 x 330 x 125 mm3	240 x 330 x 125 mm3
Power consumption	< 300 W	< 300 W
Power supply	24VDC or 90-264VAC, 47-63Hz	24VDC or 90-264VAC, 47-63Hz
System weight1	12 kg	12 kg