CNI Laser

CNI offers various laser diode modules with a collimated output beam or with line-shaped output, which are suitable as alignment lasers. Many different colors are available, e.g. red, green and blue.

Blue lasers from CNI include DPSS lasers (diode-pumped solid-state lasers) and diode lasers. The laser head comes with cooling and a precise temperature control system, and the power supply has overcurrent and overheating protection functions. CNI lasers exhibit stabilized output power, easy operation, reliable performance and long lifetime. The laser products include five series: high energy, high power, high stability, low noise and single longitudinal mode laser. Free space or fiber-coupled (SM fiber, MM fiber, homogenization fiber) versions are available.

CNI offers a wide wavelength range of diode lasers with wavelengths from 375 nm to 1.9 μm, including TEM₀₀ mode diode lasers, multi-line diode lasers, wavelength-tunable diode lasers, narrow linewidth lasers, long coherent diode lasers and others. They are all widely used in many scientific and industrial applications.

CNI offers the widest range of diode-pumped lasers not only in terms of wavelength, but also concerning various features: we have single-frequency lasers, narrow linewidth lasers, low noise lasers, high power and energy lasers, mode-locked and picosecond lasers and Q-switched lasers.

CNI offers various types of fiber lasers: picosecond fiber lasers, nanosecond fiber lasers, single-frequency fiber lasers and CW fiber lasers. Output wavelengths can be from the ultraviolet region to the infrared.

All series of CNI laser modules can be fiber-coupled with a choice of different fibers such as single-mode, polarization-maintaining or multimode. Even beam fiber coupling (with a flat beam profile) is also available.

CNI offers fiber coupled LEDs with wavelengths from 375 nm to 1550 nm. They are ideal optical sources for optogenetics applications, having good thermal stability properties. Models with SMA fiber connector are available.

CNI offers different kinds of green lasers, including both diode lasers and diode-pumped solid-state lasers:

• Green diode lasers are available with wavelengths of 505 nm, 510 nm, 514.5 nm and 520 nm.
• Pulsed solid-state green lasers offer a narrow pulse width of <0.8 ns and pulse energies >450 mJ. We also have high-power versions with >200 W, highly stabilized lasers with <0.1% stability and <0.25% RIN, and single longitudinal mode green lasers with a line width <0.00001 nm.

Our green lasers are widely used in holographic photography, PIV particle velocity, Raman spectra, Lidar and other fields.

CNI high power lasers include both DPSS lasers and diode lasers. They are widely used in medical, scientific research, material processing and industrial applications. Available wavelengths are include 532 nm, 556 nm, 589 nm, 660 nm, 808 nm, 880 nm, 980 nm, 1064 nm, 1319 nm and others. The average output power of 532-nm green lasers can be up to 200 W, and the 1064-nm infrared lasers deliver up to 500 W.

CNI offers various lasers for holography. Typical features are:

• wide choice of wavelengths: 360 nm, 405 nm, 457 nm, 473 nm, 532 nm, 556 nm, 561 nm, 589 nm, 633 nm, 656 nm, 660 nm, 671 nm, 1064 nm, 1342 nm, 1550 nm and others; multi-wavelengths systems are also available on request
• narrow emission linewidth of <0.00001 nm
• output power e.g. up to 2 W at 457 nm, 10 W at 532 nm, 0.8 W at 639 nm
• highly reliable single longitudinal mode operation (coherence length >50 m)
• easy installation and maintenance

Custom solutions are available upon request.

CNI offers a range of industrial lasers, including:

• laser diode modules, e.g. narrow-linewidth DFB lasers, picosecond lasers, alignment lasers and others
• diode-pumped solid-state lasers with high stability, low noise, high output power or pulse energy, Q-switched and mode-locked picosecond versions, etc.
• fiber lasers with SM or MM fiber output, pulse width <200 ps, tunable versions with 1–250 ns pulse width, modulation rates up to 1 MHz

We specialize in designing and manufacturing custom-made and OEM lasers to suit our clients' particular needs. In fact, 75% of the lasers manufactured involve some type of custom work.

CNI offers both diode-pumped and lamp-pumped solid-state lasers; the latter are particularly suitable for very high output pulse energy. Available output wavelengths range from 2940 nm up to 266 nm. Possible pulse energy reach hundreds of millijoules in most cases.

CNI has lasers for various applications such as

• confocal light field microscopy
• handheld photoacoustic imaging
• photodynamic therapy
• nitrogen-vacancy center detection
• synthetic biology
• optical diffraction tomography
• optoelectronic synaptic devices
• optogenetics
• laser-induced break-down spectroscopy (LIBS)
• LIDAR

CNI has developed compact laser diode modules with spot, line, cross or fiber-coupled output. Typical features are small size, high compatibility, cost-effectiveness and easy integration into instruments and OEM equipments. Many output wavelengths are offered.

CNI has developed yellow DPSS lasers emitting at 589 nm with small linewidth. This includes both Q-switched and mode-locked versions with high output powers.

CNI has developed pulsed lasers for Laser Induced Breakdown Spectroscopy (LIBS). Emission wavelengths of 1064 nm, 532 nm, 355 nm and 266 nm are available, and even multi-wavelength systems on request. We are happy to provide customized solutions.

CNI offers a wide range of lasers, including

• laser diode modules, e.g. narrow-linewidth DFB lasers, picosecond lasers, alignment lasers and others
• diode-pumped solid-state lasers with high stability, low noise, high output power or pulse energy, Q-switched and mode-locked picosecond versions, etc.
• fiber lasers with SM or MM fiber output, pulse width <200 ps, tunable versions with 1–250 ns pulse width, modulation rates up to 1 MHz

and various others. We specialize in designing and manufacturing custom-made and OEM lasers to suit our clients' particular needs. In fact, 75% of the lasers manufactured involve some type of custom work.

CNI has various lasers for material processing applications – for example:

• lasers for diamond marking
• complete crystal engraving machines

CNI has developed various lasers which are suitable for integration into LIDAR equipment, e.g. for aerosol detection and temperature measurements in the atmosphere. Various wavelengths ranging from 1573 nm to 266 nm are available.

CNI has lasers for medical treatments:

• Various wavelengths such as 447 nm, 532 nm, 589 nm, 655 m and 810 nm are suitable for external and intra-articular laser therapy, photodynamic therapy and others.
• We also have lasers with wavelengths between 532 nm and 1320 nm for ophthalmology.
• We have pulsed lasers for dermatology with wavelengths between 532 nm and 1550 nm.
• Surgical lasers with wavelengths between 447 nm and 1470 nm are also available.

CNI offers lasers with many wavelengths, some being in the mid-infrared. For example, there are a CW DPSS at 3800 nm and tunable lasers at 3590–4940 nm.

CNI offer mode-locked picosecond lasers with superior beam quality and high reliability. The pulse duration can be less than 20 ps. Available wavelengths are 266 nm, 355 nm, 532 nm, 1064 nm, 1319 nm and others.

CNI offers multi-line lasers / multi-wavelength laser combiner systems with free space or fiber output, which can combine multiple wavelengths (2-20) into one box, with USB or RS232 control. The wavelengths are available for the UV , visible and IR range. CNI multi-line lasers are widely used for medical, biomedical, and industrial application and others.

CNI offer nanosecond Q-switched lasers with wavelength coverage from 223 nm to 4800 nm. We have versions with pulse energies from 1 μJ to 10 J, repetition rates from 1 Hz to 200 kHz and pulse width from 0.8 ns to 200 ns. The lasers can be actively or passively cooled with air or water, or with conduction cooling, and there are various controls and outputs.

CNI offers narrow-linewidth diode lasers with the characteristic of ultra narrow spectral linewidth <0.03 nm, ideal for applications like DNA sequencing, flow cytometry, digital imaging, analytical chemistry, particle measurement, confocal microscopy, Raman spectroscopy and many other fields.

CNI developed compact laser modules with spot, line, cross and fiber coupled outputs. Features are small size, high compatibility, cost-effectiveness and easy integration. They are suitable for use in instruments and OEM equipments, also a reasonable solution for other applications. The laser diode, cavity and optical and electronic devices can be sealed in one housing, which helps customers to easily install them to their own equipment. CNI always welcome customized requirements. An external heat sink or a PC board can be provided on request.

CNI offers various thermopile laser power meters and photoelectric laser power meters. They are able to detect output powers from 1 nW to 200 W. The wavelength range is from 0.19 μm to 25 μm.

CNI offers a wide range of products for spectrum analysis: fiber-optic spectrometers, multi-channel spectrometers, Raman/fluorescence probes, Raman spectrometers and others.

CNI offer mode-locked picosecond lasers with superior beam quality and high reliability. The pulse duration can be less than 20 ps. Available wavelengths are 266 nm, 355 nm, 532 nm, 1064 nm, 1319 nm and others.

CNI offers nanosecond Q-switched lasers with wavelength coverage from 223 nm to 4800 nm. We have versions with pulse energies from 1 μJ to 10 J, repetition rates from 1 Hz to 200 kHz and pulse width from 0.8 ns to 200 ns. The lasers can be actively or passively cooled with air or water, or with conduction cooling, and there are various controls and outputs.

CNI also offers picosecond lasers.

CNI offers combined Raman spectroscopy systems. For example, we have portable Raman spectrometers and a micro Raman spectrum measurement system. Available wavelengths are 405 nm, 532 nm, 785 nm and 830 nm.

CNI offers red lasers with many wavelengths from 607 nm to 760 nm. Some of them are pure diode lasers, while others are diode-pumped solid-state lasers.

CNI offers a wide range of lasers, which are often used for scientific applications. For example, we offer:

• laser diode modules, e.g. narrow-linewidth DFB lasers, picosecond lasers, alignment lasers and others
• diode-pumped solid-state lasers with high stability, low noise, high output power or pulse energy, Q-switched and mode-locked picosecond versions, etc.
• fiber lasers with SM or MM fiber output, pulse width <200 ps, tunable versions with 1–250 ns pulse width, modulation rates up to 1 MHz

We specialize in designing and manufacturing custom-made and OEM lasers to suit our clients' particular needs. In fact, 75% of the lasers manufactured involve some type of custom work.

CNI offers single-frequency lasers with wavelengths from the UV to the infrared region. They are widely used in many scientific and industrial applications. The spectral linewidth can be less than 0.00001 nm.

CNI successfully provided custom made lasers for 670.776 nm, 589.159 nm, 589.756 nm and even Q-switched SLM lasers to customers. The frequency drift over 8 hours was <200 MHz.

CNI offers a wide range of all-solid-state lasers not only concerning wavelengths, but also in terms of features, including single frequency lasers, narrow linewidth lasers, low noise lasers, high power and high energy lasers, mode-locked picosecond lasers and Q-switched lasers.

CNI offers various spatial light modulators, based on a liquid crystal modulator, and can be operated in reflection or transmission:

• devices available for wavelengths between 380 nm and 1550 nm
• pixel size from 3.74 μm, resolution up to 4094 × 2400
• 8-bit intensity and phase real-time modulation

They are ideal for applications like spectral analysis, super-resolution microscopy, projection and imaging and many other fields.

CNI offers fiber-optic spectrometers, multi-channel spectrometers and some spectroscopy systems like a LIBS system, Raman spectrum systems and others which are widely used in spectroscopy applications.

CNI offers various ultraviolet lasers (diode lasers and diode-pumped solid-state lasers) with many wavelengths between 213 nm and 349 nm. The output power is up to 3 W, and the pulse energy is up to 10 mJ. The laser products include 5 series: high energy, high power, high stability, low noise and single longitudinal mode laser.

CNI offers various wavelength-tunable lasers: diode lasers (with wavelengths between 403 nm and 1074 nm), tunable DPSS wavelength-tunable lasers including tunable Ti:sapphire lasers, and tunable infrared lasers.

CNI offers diode-pumped all-solid-state yellow and orange lasers with wavelengths from 577 nm to 604 nm. The output power is up to 25 W and the pulse energy up to 5 mJ. Single longitudinal mode, low noise, high stability, OEM versions are all available options.