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Custom Development

Custom Development

Endurance lasers LLC offers a full specter of services and research & development for the diode laser business.

Our key competences

  • Custom Metalwork: building and prototyping of housings, cowlings, mounts using PLA / ABS / aluminum / stainless steel / copper / brass; of universal holders for TO-5, TO-9, TO-18, C-mounts, H-mounts, etc.
  • Highly efficient cooling systems: air cooling systems, water cooling, TEC cooling, complicated heatsinks.
  • Ultimate Laser drivers: the building of laser drivers with adjustable voltage in the range of 1-12 Volts and current in the range of 0.01A – 100A. Voltage and current stabilization, adjustable frequency (period) and duty ratio (power).
  • Advanced Optics: the building of complicated lenses, mirrors for different laser beams with high and low divergence. Wavelengths of 405 – 1080 nm.
  • Fiber coupling: the building of multi-mode fiber systems with an aperture of 50-400 uM. Laser fiber coupling.
  • Laser beam research: wavelength, power distribution, divergence, continuous / impulse modes, polarization, etc.
  • Experiments
  • Educational materials

 

Endurance company offers a full specter of services and research & development for the diode laser business. It has competences in upgrading and repairing of any types of diode (solid-state) lasers. We replace burned components and run all the necessary tests after the changes we made. Depending on the laser mounts and laser metalwork, сollimators can be made out of aluminum, copper, and brass (0.1mm (100 μm)). Any format (DXF, SVG, STL and others) is acceptable. A high-quality cooling system protects your laser module or laser array from overheating. Endurance develops customer controlling boards based on the CNCC LaserAxe and GRBL 0.9 firmware (sketches). Moreover, our specialists have experience in creating instruments to measure power in the range of 1 μW – 10 MW. Endurance has excellent relations with a lot of US and Russian colleges and universities, therefore, a vast amount of different research projects can be done in partnership with academicians.

We help researchers, academicians, businessmen, hobbyists, and enthusiasts solve different issues in the laser industry.

 

We know how to:

  • Build and produce lasers and laser drivers.
  • Create custom lasers with a different wavelength.
  • Deal with fiberglass: combine and split laser beams.
  • Work with complicated optics.
  • Do metalwork for laser machines
  • Assemble complicated hardware mechanisms (robotics).
  • Make advanced measurements.

 

We are experts in solid-state (diode) lasers. We have a vast experience in dealing with 405 nm – 808 nm wavelength diodes.

Laser upgrading and a laser repair option.

Custom Development

Endurance has competences in upgrading and repairing of any types of diode (solid-state) lasers. We can replace diodes and electronic components. We are knowledgeable enough to advise you how to improve your laser module if that is necessary.

We replace burnt-out components and run all the necessary tests after the changes we made.

We have a great variety of necessary components in stock and an upgrade or a repair process can be done quickly enough.

If we lack the necessary components we will tell you how long it will take to get them and how much it will cost you.

 

Laser mounts and laser metalwork

Custom Development

Endurance has an expertise in making different laser mounts and we do complicated laser metalwork.
We deal with a few factories that can

To do nice metalwork we request a scheme and an image of an expected product.
All formats are acceptable (DXF, SVG, STL and others)
.

If you need to install a laser module into a collimator, we can make a custom design for a laser diode housing.
We are experienced in making collimators for TO3, TO5, TO9, TO18, C-mount types.

Collimators can be made out of aluminum, copper, and brass.

Our accuracy standard is 0.05mm (50 μm).

All types of laser module mounts can be designed and manufactured in any amount.

 

 

Laser driver

 

An Endurance Mo2 PCB

 

 

About Endurance MO1 PCB. The driver board to run the laser from external power supply

 

Endurance has vast expertise and experience in making laser drivers of different.

Most laser drivers require stable current and accurate voltage.

 

If you have a laser diode/laser array or laser module Endurance can make a laser driver that will meet your requirements. Just send us a detailed wish list.

We can add a TTL controller and a frequency modulator if needed.

Laser pulsing mode (for diode lasers)

 

 

Laser cooling system

By way of experimenting while making lasers, Endurance now knows almost everything about an efficient cooling system.
We have a variety of different heatsinks, TEC cooling systems, fans, and different cooling rod copper modules.

A high-quality cooling system will allow operating your laser module or laser array without the risk of overheating.
Before deploying a solution we make a lot of different tests and temperature measurements.
Independent institutions can be invited for additional tests

 

If you have a laser diode/laser array or laser module we can develop a customized cooling system using either an air or water cooling and TEC (Thermoelectric Cooler) Peltier module.

Universal heatsink for T-mount and C-mount laser diodes

Combining a few beams together

2 beams in 1

The Endurance 20 Watt (20000 mW) 445 nm double-beam laser add-on (attachment) for a 3D printer, a CNC machine and an XY plotter

 

3 beams  in 1

Triple beam laser — 30 watt (30000 mW) of optical power in one spot

4 beams  in 1

An Endurance quadro laser beam module.

 

Laser controlling boards based on the Arduino with the CNCC LaserAxe / GRBL 0.9, 1.1, 3.0 firmware

Custom Development

Endurance develops customer controlling boards based on the CNCC LaserAxe and GRBL 0.9 firmware (sketches).

If you need custom based stepper motors / additional axes and you plan to add more sensors and detectors then we can develop that based on your requirements.

Give us full tech requirements or at least RFP so we can send our proposal.

 

Optics

Improving beam quality

 

About getting a smaller laser beam spot for a diode laser

Laser beam spot improvement for 445 nm diode laser (success — new laser beam spot)

 

The measurement of a laser beam spot

About different lens: laser beam spot, focal range.

Fiber laser: combiners, splitter, etc.

Fiber coupling, and fiber delivery

Custom Development
Custom Development

Custom Development

Laser measurements and experiments

 

Laser pulse measurement

 

 

Measuring pulses for diode laser NICHIA NUBM44/47

 

Measuring frequency for FAP800 from Coherent 

 

Printer Toner removal

 

Laser wart removal

 

Rust removal

 

Fat removal

 

MEASUREMENT OF POWER

Our experts have experience in creating instruments to measure power in the range of 1 μW – 10 MW. The choice of primary converters on the basis of the existing technical solutions or the development of new ones is carried out at the stage of the draft design of the created test and measurement complex. Registration of the output signals of the converters is usually carried out with the help of the Recorder “Rits822”, which allows controlling the power or power density change in several points of the experiment circuit in parallel.

Power measurement using Registrar (a PRO equipment)

The radiation power measurement and monitoring of its changes during the experiment is most expedient to carry out with the help of the Signal Recorder “Rits822”. Unlike the oscilloscope, the registration and display of readings are made in natural units (W, kW, etc.). The figure on the left shows the results of registering the pulse of a solid-state laser in the free-running mode. During the pulse, 150,000 power counts were made. The impulse has a characteristic spike structure. The stretching of the image (middle plot) allows to display the pulse structure, in particular, to estimate the spacing between individual spikes. An even larger image stretching (lower graph) allows one to estimate the duration of the individual spikes (in the example given, the spike duration with a maximum power of 10 MW is 234 ns).
Custom Development

Smoothing the waveform

Custom Development
Recorder “Rits822” when displaying information makes it possible to smooth out the shape of the pulse due to the sliding averaging of the individual power counts (that is, using a convolution with a rectangular function). The diagram on the left shows the graphs of the initial pulse and smoothed out with the averaging parameter 1200 (at each point the average value of 1200 power samples taken at the given point of the region: 600 samples up to and 600 samples after this point is plotted). In fact, the smoothed graph represents a temporary change in the average power and allows us to estimate the duration of the radiation pulse at a level of 0.5 maximum (in this case, the duration is 785 μs). Attention is drawn to the change in the vertical scale in these graphs. If in the initial pulse of the maximum power of the individual spikes reaches 20 MW, then in the smoothed pulse, the average power at the maximum is about 1.5 MW.

Parallel registration capabilities

The “Rits822” recorder provides unique possibilities for conducting the parallel recording of the radiation power at various points in the experiment circuit. The upper left figure shows the time dependences of the laser radiation power recorded in 7 sections of the optical spectrum during the eight-second start-up. The lower figure shows, on two-time scales, the readings of receivers recording the time course of the radiation of five simultaneously operating impulse channels of a complex laser installation. Converters that measure the power of laser radiation.

Custom Development

MEASURING ENERGY

Custom Development
When describing the operation of a laser in a pulsed mode, the energy of the radiation pulse is, as a rule, the first indicated parameter, as if characterizing the scale of the article. Our specialists have experience in creating measuring instruments that cover the range of pulsed energy in 13 orders (from 1 μJ to 10 MJ). The choice of primary converters on the basis of the existing technical solutions or the development of new ones is carried out at the stage of the draft design of the created test and measurement complex. At the same time, the means for recording their output signals, as well as algorithms for processing (including the joint) and options for displaying the information obtained are determined. As an example, the site presents the implementation of a 7-channel energy measurement complex.

MEASUREMENT OF THE EXPENDITURE OF LASER RADIATION

Measurement of the divergence of the laser beam is based on the preliminary registration of the radiation intensity distribution over the cross-section of the beam in the far-field. Further mathematical processing of this distribution makes it possible to determine its cross sections, projections, and also a number of moments of various orders. On this basis, the angular width of the beam is determined, i.e. its divergence.
Soviet standards and relevant practice provided for two definitions of the divergence of the beam.
By intensity: the flat angle at the vertex of the cone of rotation around the optical axis, the average power.
Custom Development

Laser research

Custom Development

Endurance has excellent relations with a lot of US and Russian colleges and universities, therefore, a vast amount of different research projects can be done in partnership with academics. Among our researchers, we have professors from Department of Physics, Department of Computer and Information Science, Electrical & Computer Engineering department, Aerodynamics Research Center Mechanical & Aerospace Engineering Department and many other faculties and departments.

 

Educational materials

 

 

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