- Diode pumped solid state design
- Up to 5 mJ
- 20 – 80 ps pulses
- 1 kHz pulse repetition rate
- Diode pumped solid state design
- Up to 5 mJ
- 20 – 80 ps pulses
- 1 kHz pulse repetition rate
Features & Applications
- High pulse energy at kHz rates
- Diode pumped solid state design
- Air cooled – external water supply is not required (for PL2210A-1k only)
- Turn-key operation
- Low maintenance costs
- Optional streak camera triggering pulse with <10 ps rms jitter
- Remote control pad
- PC control
- Optional temperature stabilized second, third and fourth harmonic generators
- Time resolved fluorescence (including streak camera measurements), pump-probe spectroscopy
- OPG/OPA/OPO pumping
- Remote Laser Sensing
- Other spectroscopic and nonlinear optics applications
PL2210 series diode-pumped, air-cooled, mode-locked Nd:YAG lasers provide picosecond pulses at a kilohertz pulse repetition rate.
Short pulse duration, excellent pulse-to-pulse stability, superior beam quality makes PL2210 series diode pumped picosecond lasers well suited for many applications, including material processing, time-resolved spectroscopy, optical parametric generator pumping, and other tasks.
PL2210 series lasers offer a number of optional items that extend the capabilities of the laser. A pulse picker option allows control of the pulse repetition rate of the laser and operation in single-shot mode. The repetition rate and timing of pulses can be locked to an external RF source (with –PLL option) or other ultrafast laser system (with –FS option). The laser provides a triggering pulse for synchronization of the customer‘s equipment. A low jitter SYNC OUT pulse has a lead up to 500 ns that can be adjusted in ~0.25 ns steps from a PC. Up to 400 μs lead of triggering pulse is available as a PRETRIG feature that is designed to provide precise, very low jitter trigger pulses for a streak camera.
Built-in harmonic generators
Motorised switching of wavelength for PL2210A. Non-linear crystals mounted in temperature stabilized heaters are used for second, third and fourth high spectral purity harmonic generation.
Simple and convenient laser control
For customer convenience the laser can be operated from master device or personal computer through USB (VCP, ASCII commands), RS232 (ASCII commands), LAN (REST API) or RS232 (ASCII commands), LAN (REST API) depending on the system configuration or from remote control pad with backlit display that is easy to read even while wearing laser safety glasses.
|PL2210A-1k||Up to 900 μJ, 28 ps pulses at an up to 1 kHz repetition rate|
|PL2211A||Up to 5 mJ energy at a 1 kHz repetition rate at 28 ps pulses|
- Custom-built models with higher pulse energy are available on request.
|MAIN SPECIFICATIONS 1)|
|at 1064 nm||0.9 mJ||5 mJ|
|at 532 nm 2)||0.45 mJ||2.5 mJ|
|at 355 nm 3)||0.35 mJ||1.6 mJ|
|at 266 nm 4)||0.16 mJ||1 mJ|
|Pulse energy stability (Std. Dev) 5)|
|at 1064 nm||0.5 %|
|at 532 nm||0.8 %|
|at 355 nm||1 %|
|at 266 nm||2 %|
|Pulse duration (FWHM) 6)||29 ± 5 ps|
|Pulse repetition rate||1 kHz|
|Typical TRIG1 OUT pulse delay 8)||-500 ... 50 ns|
|TRIG1 OUT pulse jitter||< 0.1 ns rms|
|Spatial mode 9)||Close to Gaussian|
|Beam divergence 10)||< 1 mrad|
|Beam diameter 11)||1.7 ± 0.3 mm||~3 mm|
|Beam pointing stability (RMS) 12)||<30 μrad|
|Pre-pulse contrast||> 200:1|
|Polarization||linear, > 100:1|
|Laser head size (W × L × H) 13)||456 × 1031 × 249 mm|
|Power supply size (W × L × H)||365 × 392 × 290 mm||550 × 600 × 550 ±3 mm (19″ standard, MR-9)|
|Water service||not required, air cooled|
|Relative humidity||20 – 80 % (non condensing)|
|Ambient temperature||22 ± 2 °C|
|Power requirements||100 – 240 V AC, single phase 50/60 Hz|
|Power consumption 14)||< 1 kW||< 1.5 kW|
- Due to continuous improvement, all specifications are subject to change without notice. Parameters marked typical are not specifications. They are indications of typical performance and will vary with each unit we manufacture. Unless stated otherwise, all specifications are measured at 1064 nm and for basic system without options.
- For PL2210 series laser with –SH, -SH/TH, -SH/FH or -SH/TH/FH option. Outputs are not simultaneous.
- For PL2210 series laser with –TH, -SH/TH or -SH/TH/FH option. Outputs are not simultaneous.
- For PL2210 series laser with -SH/FH or -SH/TH/FH option. Outputs are not simultaneous.
- Averaged from pulses, emitted during 30 sec time interval.
- Optional 80 or 22 ps ± 10% duration. Pulse energy specifications may differ from indicated here.
- With respect to optical pulse. <10 ps rms jitter is provided optionally with PRETRIG feature.
- TRIG1 OUT lead or delay can be adjusted with 0.25 ns steps in specified range.
- Near field Gaussian fit is >90%.
- Average of X- and Y-plane full angle divergence values measured at the 1/e² level at 1064 nm.
- Beam diameter is measured at 1064 nm at the 1/e² point.
- Beam pointing stability is evaluated from fluctuations of beam centroid position in the far field.
- 456×1233×249 mm (W×L×H) laser head size might be required for some optional configurations.
- At 1 kHz pulse repetition rate.
Note: Laser must be connected to the mains electricity all the time. If there will be no mains electricity for longer that 1 hour then laser (system) needs warm up for a few hours before switching on.
- PRETRIG provides low jitter pulse for streak camera triggering with lead/delay in -400…600 μs range and <10 ps rms jitter.
- Option P80 provides 80 ps ± 10 % output pulse duration. Inquire for pulse energy specifications.
- Option P20 provides 22 ps ± 10 % output pulse duration. Inquire for pulse energy specifications.
- Option PC allows reduction of the pulse repetition rate of the PL2210 series laser by integer numbers. Single shot mode is also possible. In addition, the –PC option reduces the low-intensity quasi-CW background that is present at laser output at 1064 nm wavelength. Please note that the output of fundamental wavelength and harmonic will be reduced by approx. 20% with installation of the –PC option.
Performance & Drawings
Silk protein nanofibers for highly efficient, eco-friendly, optically translucent, and multifunctional air filters
Related applications: Time Resolved Fluorescence
New types of air filter technologies are being called because air pollution by particulate matters (PMs) and volatile organic compounds has raised serious concerns for public health. Conventional air filters have limited application and poor degradability and they become non-disposable wastes after use. Here, we report a highly efficient, eco-friendly, translucent, and multifunctional air purification filter that is highly effective for reducing air pollution, protecting the environment, and detecting hazardous chemical vapors encountered in everyday life. Uniform silk protein nanofibers were directly generated on a window screen by an electrospinning process. Optical properties (translucence and scattering) of the silk nanofibrous air filters (SNAFs) are advantageous for achieving viewability and controlling the room temperature. Air filtration efficiencies of the fabricated SNAFs could reach up to 90% and 97% for PMs with sizes under 2.5 and 10 μm, respectively, exceeding the performances of commercial semi-high-efficiency particulate air (semi-HEPA) filters. After use, the SNAFs could be naturally degraded. Furthermore, we demonstrate the ability of SNAFs impregnated with organic dyes to sense hazardous and volatile vapors encountered in everyday life.
Near infrared light induced plasmonic hot hole transfer at a nano-heterointerface
Localized surface plasmon resonance (LSPR)-induced hot-carrier transfer is a key mechanism for achieving artificial photosynthesis using the whole solar spectrum, even including the infrared (IR) region. In contrast to the explosive development of photocatalysts based on the plasmon-induced hot electron transfer, the hole transfer system is still quite immature regardless of its importance, because the mechanism of plasmon-induced hole transfer has remained unclear. Herein, we elucidate LSPR-induced hot hole transfer in CdS/CuS heterostructured nanocrystals (HNCs) using time-resolved IR (TR-IR) spectroscopy. TR-IR spectroscopy enables the direct observation of carrier in a LSPR-excited CdS/CuS HNC. The spectroscopic results provide insight into the novel hole transfer mechanism, named plasmon-induced transit carrier transfer (PITCT), with high quantum yields (19%) and long-lived charge separations (9.2 μs). As an ultrafast charge recombination is a major drawback of all plasmonic energy conversion systems, we anticipate that PITCT will break the limit of conventional plasmon-induced energy conversion.
Picosecond laser registration of interference pattern by oxidation of thin Cr films
The laser oxidation of thin metallic films followed by its selective chemical etching is a promising method for the formation of binary metal structures on the glass substrates. It is important to confirm that even a single ultrashort laser pulse irradiation is able to create the protective oxide layer that makes possible to imprint the thermochemical image. Results of the thermo-chemical treatment of thin chromium films irradiated by picosecond laser pulse utilizing two and four beam interference combined with the chemical etching are presented. The spatial resolution of this method can be high enough due to thermo-chemical sharpening and can be close to the diffraction limit. Micro-Raman spectroscopy was applied for characterization of the chemical composition of the protective oxide layers formed under atmospheric conditions on the surface of thin chromium films.
Mid-infrared, super-flat, supercontinuum generation covering the 2–5 μm spectral band using a fluoroindate fibre pumped with picosecond pulses
Broadband, mid-infrared supercontinuum generation in a step-index fluoroindate fibre is reported. By using ~70-picosecond laser pulses at 2.02 μm, provided by an optical parametric generator, a wide spectrum with a cut-off wavelength at 5.25 μm and a 5-dB bandwidth covering the entire 2–5 μm spectral interval has been demonstrated for the first time. The behaviour of the supercontinuum was investigated by changing the peak power and the wavelength of the pump pulses. This allowed the optimal pumping conditions to be determined for the nonlinear medium that was used. The optical damage threshold for the fluoroindate fibre was experimentally found to be ~200 GW/cm2.
Detection of Disease Markers in Human Breath with Laser Absorption Spectroscopy
Number of trace compounds (called biomarkers), which occur in human breath, provide an information about individual feature of the body, as well as on the state of its health. In this paper we present the results of experiments about detection of certain biomarkers using laser absorption spectroscopy methods of high sensitivity. For NO, OCS, C2H6, NH3, CH4, CO and CO(CH3)2 an analysis of the absorption spectra was performed. The influence of interferents contained in exhaled air was considered. Optimal wavelengths of the detection were found and the solutions of the sensors, as well as the obtained results were presented. For majority of the compounds mentioned above the detection limits applicable for medicine were achieved. The experiments showed that the selected optoelectronic techniques can be applied for screening devices providing early diseases detection.
Quantitative picosecond laser-induced fluorescence measurements of nitric oxide in flames
Quantitative concentrations measurements using time-resolved laser-induced fluorescence have been demonstrated for nitric oxide (NO) in flame. Fluorescence lifetimes measured using a picosecond Nd:YAG laser and optical parametric amplifier system have been used to directly compensate the measured signal for collisional quenching and evaluate NO concentration. The full evaluation also includes the spectral overlap between the ∼15 cm−1 broad laser pulse and multiple NO absorption lines as well as the populations of the probed energy levels. Effective fluorescence lifetimes of 1.2 and 1.5 ns were measured in prepared NO/N2/O2 mixtures at ambient pressure and temperature and in a premixed NH3-seeded CH4/N2/O2 flame, respectively. Concentrations evaluated from measurements in NO/N2/O2 mixtures with NO concentrations of 100–600 ppm were in agreement with set values within 3% at higher concentrations. An accuracy of 13% was estimated by analysis of experimental uncertainties. An NO profile measured in the flame showed concentrations of ∼1000 ppm in the post-flame region and is in good agreement with NO concentrations predicted by a chemical mechanism for NH3 combustion. An accuracy of 16% was estimated for the flame measurements. The direct concentration evaluation from time-resolved fluorescence allows for quantitative measurements in flames where the composition of major species and their collisional quenching on the probed species is unknown. In particular, this is valid for non-stationary turbulent combustion and implementation of the presented approach for measurements under such conditions is discussed.