HIGH ENERGY SLM Nd LASERS
There are two groups of our lasers - single shot and very high energy lasers (till 10 Joule in Green pulse) and quite powerful lasers that can operate in repetitive shots regime (till 10Hz at 1.5 Joule).
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| The GxJ series high energy single shot Hybrid Nd:YLF/Phosphate Glass lasers |
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The GxJ series comprises a family of 4 lasers each of which based on a Nd:YLF oscillator and one or more Nd:Phosphate Glass amplifiers. The lasers produce near-diffraction limited single-longitudinal mode (SLM) super-Gaussian radiation in the nanosecond regime from 1 to 16 J per pulse (fundamental harmonic). Design features include a highly stable EO or passively Q-switched, linear telescopic or ring-cavity oscillator, 2-pass amplification using high energy Brillouin phase conjugation (SBS) and optional frequency conversion to the second or third harmonics by DKDP. In addition to constituting highly versatile laboratory tools all GxJ lasers are rigorously designed to meet the high standards required for scientific or technical holography applications as well as for interferometric purposes, where smooth beam shape and big coherence length is of key importance. |
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| Applications |
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- Holographic applications
- Plasma research
- Seeding of amplification cascades
- Absorption spectroscopy of laser induced plasma
- Apply for Your application..
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System features
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- Unique and cost-effective design;
- Optimized laser characteristics for display and technical holography applications;
- Remote control via Wireless unit;
- PC control via RS232 using advanced Geola software or LabView drivers (optional);
- Coherence length exceeding of >-10m length;
- Custom design plug for remote control of main laser functions;
- Lasers are CE marked according to IEC 60825-1:2001/EN 60825-1:2001;
- Low electrical consumption;
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Technical parameters
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Model
| G1J | G2J | G5J | G8J | Output Wavelength:
| 1053
| 526.5
| 351nm
| 1053
| 526.5
| 351nm
| 1053
| 526.5
| 351nm | 1053
| 526.5
| 351nm
| | Output energy: | 2J | 1J | 0.4J | 4J
| 2J | 0.9J | 10J | 5J | - | 16J | 8J | - | | Pulse duration: | 40 ns
| 28 ns
| 14 ns | 40 ns
| 28 ns
| 15 ns
| 35 ns
| 25 ns
| - | 35 ns
| 25 ns
| - | | Beam Diameter (1/e²): | <9 mm | <10 mm
| <16 mm
| <18 mm | | Beam Divergence: | Near Diffraction limit
| | Coherence Length(1): | > 10 m
| Pulse Energy Stability(2):
| 5% at 526.5 nm
| | Beam Profile: | Near Gaussian in near field and Quasi-Gaussian in far field | Pulse Repetition Rate:
| | Pilot Mode:
| 0.5...2 Hz
| | High Energy Mode: | 1 pulse per 2 min
| 1 pulse per 3 min
| | Polarization: | Horizontal, > 98% @ 1053nm
| Optical Pulse Jitter(3):
| < 2.5us for Passive Q-Switch and ~ 1 ns for E-O Q-Switch
| | Triggering: | External/Internal
| | | DIMENSIONS | Laser Head: (W x H x L)
| 1105 x 320 x 225 mm
| 1000 x 468 x 225 mm
| Power & Cooling Cabinet: (W x H x L)
| 550 x 880 x 600 mm
| 550 x 1250 x 600 mm
| Umbilical Length:
| ~ 3 m
| | | ENVIRONMENTAL REQUIREMENTS
| Cooling requirements: (Water flow for 20oC water temperature)
| < 10 liters/minute
| Room temperature:
| 18-25oC | Relative Humidity: (non-condensing)
| < 65 %
| Mains Voltage:
| 210...240 VAC, since phase 50/60 Hz
| Power Consumption:
| < 1 kW
| < 2.5 kW
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(Geola digital reserves the right to change specification without notice) (1) Coherence length at 526.5 nm
(2) Std.Dev. at High Energy Mode
(3) Std.Dev. with respect to External sync pulse signal
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| Optical Schemes and Characteristics |
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Optical Scheme for G1J and G2J | Optical scheme for models G5J and G8J
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|  Typical temporal pulse shape G5J - 526.5 nm |  Typical near field distribution High Eenergy mode - G5J, E= 2J - 1053nm |
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The GxJ-TWIN Double Output SLM Nd:YLF/Glass LASERS
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The GxJ-TWIN series comprises a family of lasers which based on two mutually coherent and independently tunable outputs ports; basically consisting from a Nd:YLF oscillator, pre-amplifier and one pair or more Nd:Phosphate Glass amplifiers. The lasers produce near-diffraction limited single-longitudinal mode (SLM) super-Gaussian radiation in the nanosecond regime from 2 to 20 J per pulse (fundamental harmonic). Design features include a highly stable EO or passively Q-switched ring or linear cavity oscillator, 2-pass amplification using high energy Brillouin phase conjugation (SBS) and optional frequency conversion to the second or third harmonics by DKDP. In addition to constituting highly versatile laboratory tools all GxJ-TWIN lasers are rigorously designed to meet the high standards required for scientific interferometric or technical holography application purposes, where smooth beam shape and big coherence length is of key importance.
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Applications
|
| |
- Holographic applications
- Plasma research
- Seeding of amplification cascades
- Absorption spectroscopy of laser induced plasmas
- Apply for Your application..
|
| |
System features
|
| |
- Single source, mutually-coherent and independently amplified channels;
- Optimized laser characteristics for display and technical holography applications;
- Remote control via Wireless unit;
- PC control via RS232 using advanced Geola software or LabView drivers (optional);
- Coherence length exceeding of > 10m length;
- Unique very compact and cost-effective design;
- Lasers are CE marked according to IEC 60825-1:2001/EN 60825-1:2001;
- High-Energy meters included;
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Technical parameters
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Model
| G8J-TWIN | G20J - TWIN
| | Output Wavelength: | 1053 nm | 526.5 nm
| 1053nm | 526.5 nm
| Output energy(0):
| 2 X 4 J | 2 X 2 J
| 2 x 10 J
| 2 X 5 J
| | Pulse duration: | ~ 40 ns
| ~28 ns | ~ 35 ns
| ~ 25 ns
| | Beam Diameter (1/e²): | < 9 mm | < 16 mm
| | Beam Divergence: | Near Diffraction limit
| | Coherence Length(1): | > 10 m
| Pulse Energy Stability(2):
| 5% at 526.5 nm
| | Beam Profile: | Near Gaussian in near field and Quasi-Gaussian in far field
| Pulse Repetition Rate:
| | Pilot Mode:
| 0.5...2 Hz
| | High Energy Mode: | 1 pulse per 2 min
| 1 pulse per 3 min
| | Polarization: | Horizontal, > 98% @ 1053nm
| Optical Pulse Jitter(3):
| < 2.5 us for Passive Q-Switch and ~ 1 ns for E-O Q-Switch
| | Triggering: | External/Internal
| | Remote Control: | Wireless
| | | DIMENSIONS | Laser Head: (W x H x L)
| 1105 x 610 x 225 mm
| 1100 x 780 x 225 mm
| Power & Cooling Cabinet: (W x H x L)
| 550 x 975 x 600 mm
| (TWIN) 550 x 860 x 600 mm
| Umbilical Length:
| ~ 3 m
| | | ENVIRONMENTAL REQUIREMENTS
| Cooling requirements: (Water flow for 20oC water temperature)
| < 10 liters/minute
| Room temperature:
| 18-25oC | Relative Humidity: (non-condensing)
| < 70 %
| Mains Voltage:
| 210...240 VAC, since phase 50/60 Hz
| Power Consumption:
| < 2.5 kW
| < 3.5 kW
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(Geola digital reserves the right to change specification without notice)
(0) Other energy levels are available
(1) Coherence length at 526.5 nm
(2) Std.Dev. at High Energy Mode
(3) Std.Dev. with respect to External sync pulse signal
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| Repetitive pulsed Nd:YAG Lasers |
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The GQA/B-xJ series lasers are based on a Nd:YAG oscillator and Nd:YAG amplifiers. The lasers produce near-diffraction limited single-longitudinal mode radiation in the nanosecond regime from 0.2 to 2 Joules per pulse (fundamental harmonic) and from 0.1J to 1.2J (second harmonic). Design features include a highly stable electro-optically or passively Q-switched ring-cavity oscillator, 4-pass SBS phase conjugated amplifiers using beam apodization and optional frequency conversion to the second or third harmonics. The GQA range of lasers has quasi-gaussian beam distribution. The higher energy GQB lasers have top-hat distributions. Options:
-E --- Built-in digital energy meter -C --- Control of all functions from a PC |
| Optical Scheme for all GQA/B-xJ laser systems |
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| Technical Parameters of the most popular models |
| Model | GQA-05J | GQB-07J | | Output Wavelength: | 1064nm; 532nm; 355nm | | Max Output Energy(1): | 1J; 0.5J; 0.25J | 1.5J; 0.75J; 0.35J | Energy Stability(2) (Std. Dev.):
| < 2%; < 4%; < 5% | Pulse Duration(3):
| ~ 4 ... 30 ns
| | Beam Diameter (1/e2): | < 10 mm | < 12 mm | | Beam Divergence: | Near Diffraction Limit | | Coherence Length: | > 3 m | | Repetition Rate(4): | 5 ... 30 Hz | Optical Pulse Jitter(5):
| < 2.5 us for Passive Q-Switch and ~ 1 ns for E-O Q-Switch
| Line width(6):
| <0.1 … 0.003 cm-1
| | Spatial profile: | Super-Gaussian | Top-Hat | | Flash Tube Lifetime | 20 x 106 shots | | Advised Operating Temperature: | 18 - 25 °C | | Advised Operating Humidity: | < 75% non-condensing | | Warranty Period: | 12 months |
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(Geola digital reserves the right to change specification without notice)
(1) Higher or lower energies available on request.
(2) Measured for 1000 shots at 10Hz repetition rate.
(3) Choose required pulse duration from the range.
(4) Indicate required repetition rate form the list.
(5) In respect to External sync pulse signal.
(6) Indicate required linewidth from the range (coherence length). |
