Micro Laser Systems
Micro Laser Systems' products are divided into two main catagories: Free Space Diode Lasers & accessories; and Fibre Coupled Diode Lasers & accessories. These are further divided into Turnkey systems and OEM
Power Output: 4mW-150mW Adjustable
Wavelengths: 395nm, 415nm, 420nm, 488nm, 515nm
The Lepton IV Series of Diode Lasers matches or exceeds performance levels of many gas or solid state lasers. Its circular, Gaussian beam has unmatched diffraction limited performance. Adjustable output is highly stable and available in a wide range of wavelengths and power levels to meet your needs.
This laser is simple to operate. Just plug it in and turn it on. A variety of accessories are designed for focusing, expanding or modifying the beam. They are designed specifically for diode laser characteristics. All accessories ensure that you get the best performance possible from the diode laser. Output power can be adjusted from zero to maximum output. Laser can also be modulated from zero to 1MHz.
This system allows you to concentrate on your experiment and not waste time on the laser. Adaptor plates and rings make it convenient to mount the laser head onto optical tables, translation stages, tilt stages, gimbal mounts and optical mounts found in many labs. For OEM
Power Output: 3mW - 115mW (See Product Table)
Wavelengths: 405nm - 1550nm (See Product Table)
For some applications, a wavelength stabilised laser is required for spectroscopic reasons or for coherence requirements. These lasers have a grating that stabilises the wavelength and moves very little with temperature. All lasers are temperature controlled to prevent movement in the wavelength and lower noise. This also prevents any mode hops.
Power Output: 20mW, 50mW, 95-100mW
Wavelengths: 375nm, 405nm, 445nm, 488nm
These diode lasers can be used in place of Argon and Krypton lasers. Output beam is circular with Gaussian profile and have diffraction limited performance. They are smaller in size with very low power requirements compared to gas lasers.
The turnkey system simplifies operation for the researcher. No additional heat sinks, control box or power supplies are required. The system just plugs in and turns on. Output power is adjustable with option for modulation. Users can easily migrate to the OEM
Warsash Scientific offer many compatible optical assemblies for focusing, expanding or shaping the beam. We also have ring and plate adapters to mount the laser onto common optical mounts and tables.
Power Output: 6mW-30mW
The Pion III Series is a cost effective solution to a circular laser. It is designed as a less expensive alternative to circular beam lasers for OEM
Ruggedised packaging ensures long life and stability. Ample mounting holes eliminate extra brackets. The laser is supplied with a DB Series of Drivers. It can be driven in constant current or power modes and be modulated up to 2MHz. It can be controlled by an external voltage source. Direct access to the diode laser pins is provided for users with high frequency modulation circuits.
Options include line generators to generate a non-Gaussian thin beam.
Power Output: 28mW-490mW
For many Raman spectroscopy applications, about 100mW in a small beam is all that is required. To date this has only been satisfied by higher power (300-500mW) multimode lasers with line widths of 0.5nm or larger.
These lasers are designed to give diffraction limited output with narrow line width and high stability. Because they are diffraction limited, they can focus to micron size spots, unlike the higher power lasers, which at best can focus to a 100 micron spot size. These lasers are based on the Lepton IV Series and offer a very affordable alternative to the high power lasers for Raman. This makes these lasers ideal for Raman microscopy.
These lasers make an excellent source for confocal microscopes, scanning, optical tweezers, ophthalmetry, tissue analysis and more.
Power Output: 100mW or more
In many applications, such as in fluorescence excitation, printing, photo plotting, detector pixel analysis, small micron size spots need to be generated with long working distance.
Warsash Scientific offer a series of lenses that when combined with the Lepton IV Series of diode lasers, generate micron size spots with long working distance. The optics are integrated onto the Lepton IV housing making a small compact package. Output powers of the Lepton IV Series are 100mW or more at various wavelengths which are then focused to a 1 to 10 micron spot size. This yields very high power densities at the focused spot. This means you will get higher signal to ratios.
Typical Power Output: 10mW-50mW
The Fermion I Series of Turnkey Fibre Coupled Lasers are designed to make using lasers easy and convenient. These systems have higher output powers, typically 10-60mW coupled to single mode fibre, versus 1mW or less that is usually available. A range of discrete wavelengths cover the span from 405nm to 1600nm.
Internally the lasers are coupled to single mode fibre for that particular wavelength. All lasers are temperature controlled for highest stability. Output is spatially filtered and can be adjusted from zero to full power using the knob or an external voltage source. The laser can run in CW
Output of the fibre can be collimated with an FC
Power Output: 0-490mW
The Fermion III Series of Turnkey Fibre Coupled Lasers are designed to make using lasers easy and convenient. These systems have higher output powers, typically 50 to 490mW coupled to 100 micron core fibre. A range of discrete wavelengths cover the span from 375nm to 1064nm.
Internally the lasers are coupled to 100 micron core fibre. All lasers are temperature controlled for highest stability. Output can be adjusted from zero to full power using the knob or an external voltage source. The laser can run in CW
Output of the fibre can be collimated with the FC Series of fibre collimators with adjustable focus. They are available with apertures from 5mm to 45mm.
For many applications, a pure Gaussian beam is required. The FC Series of collimators are designed specifically for single mode fibre, polarisation maintaining fibre and fibre laser applications which can generate a pure Gaussian beam. Available from 5mm to 45mm aperture sizes, the output is very clean with no diffraction patterns or beam distortions which are typically found in most fibre collimators. Output stays as a Gaussian shape regardless of distance. Collimators have an FC
Three wavelength regions cover from 375nm to 2000nm. A new coating covers the 2mm region. These collimators can be used with diode lasers, Ar, YAG, Ti-Sapphire, HeNe, DPSS, Fibre Lasers and many others.
The FC Series fibre collimators can be used with the Fermion I, II or III Series Turnkey fibre instrument lasers or the SRT-F OEM
Warsash Scientific offer a line of fibre optic assemblies using single mode, polarisation maintaining and multimode fibres, for all wavelengths that can be used with these collimators.
High quality fibre cable assemblies are available for single mode fibre, polarisation maintaining fibre and multimode fibre at wavelengths from 250nm to 1600nm. Standard single mode and polarisation maintaining cables are terminated with FC
All connections are of very high quality with no nicks, scratches, protrusions or undercuts. All have low back reflection and low insertion loss. Very high quality cables are required when expanding the beam using these fibre collimators. Cables are labelled for wavelength or core size. Boots and jackets are also colour coded for the various functions. High volume capabilities are provided for OEM
To complement the fibre assemblies, Warsash Scientific also offer high performance Fibre Collimators with various beam diameters. Fibre coupled lasers at various wavelengths are also available.
Power Output: 6mW-120mW for Single mode and PM fibres
The SRT-F Series of Thermoelectric Cooled Fibre Coupled Diode Lasers are designed for instrumentation and research applications requiring high stability, remote application, or true Gaussian profile of a diode laser. The diode laser's output minimises mode hops and can be slightly tuned.
The package is compact and rugged with a 3mm durable fibre cable which is pre-aligned and fixed at the factory. Optional 900 micron jacket or stainless steel sheath is also available. System includes diode laser, coupling optics, single mode fibre, TE
With single mode fibre, the diode laser's output is spatially filtered and Gaussian. This is ideal for applications such as holography, interferometry, free space communications and metrology. Optional polarisation maintaining fibre can also be integrated. Multimode fibre is also available for higher throughput.
Fibre collimators of various beam sizes are also available for collimating the output of the fibre for a clean beam.
The FC5FS fibre collimator is designed for long distance transmission of high power fibre lasers. An all-fused silica design minimises thermal problems associated with most other types of collimators. It is designed for use with single mode and polarisation maintaining fibres.
Output collimation is adjustable so that you can tune to the exact wavelength of use. Output beam is very well corrected to give a diffraction limited beam with low wavefront error. There is no epoxy in the optical path. Standard FC
Accessories include adapter designed to mount the fibre collimator onto common optical mounts.
The FC5FS collimator is ideal for free space communications, lidar, remote sensing, interferometry, confocal microscopy and other applications requiring excellent beam quallity and low scatter.
Wavelengths: 635nm, 1064nm, 1550nm
These fibre splitters take polarised light and split it equally between two fibres, preserving the initial polarisation state.
Standard wavelengths available are 635nm, 1064nm and 1550nm. Other wavelengths can be easily manufactured. Standard split ratio is 50:50 but others can be made as well. Standard jackets are 900mm and 3mm.
ZPOL is a device to generate radial polarisation, which when combined with a high numerical lens, generates polarisation in the Z direction.
Linearly polarised light is incident on the ZPOL. It can be used in conjunction with the Lepton IV Series. The ZPOL turns the linear polarised light to radial polarised light. Next a high NA lens is used. As the light is being focused the X and Y components cancel out at the focus leaving only the z component, or Z polarisation.
When a laser illuminates an object, speckle noise appears and degrades your image. This Speckle Reducer was developed to decrease the coherence of the laser.
The Speckle Reducer uses different lengths of optical fibre, where each fibre differs more than the coherence length of the source. It has no moving parts and there is no vibration noise. This is excellent for temporal resolved imaging.
The Speckle Reducer also works as a beam homogeniser. The input Gaussian intensity profile is transformed into a homogeneous profile.