Thank you. Description. 2. The drive electronics and temperature stabilization circuits for the laser diode are all integrated into the laser head. Clicking this icon allows you to download our standard support documentation. Ultra-Low-Noise Hybrid LaserThorlabs Ultra-Low-Noise (ULN) Hybrid Lasers each consist of a single angled facet (SAF) gain chip coupled to an exceptionally long fiber Bragg grating (FBG). As one component diverges more rapidly than the other, the beam shape is elliptical rather than circular. US Patents: 10193306, 10483718,10476233, and 10454248, Ultra-Low-Noise Laser, Current Tuning, Extended Butterfly Package, PM Fiber. Customization options include internal laser sources, operating wavelength ranges, optical fiber types, and amplifier types. For additional information, please see the Specs tab and the Back Panels tab. 1550.728 nm, 147.399 mW max, Ultra Low Noise Laser, 1551.792 nm, 168.703 mW max, Ultra Low Noise Laser, 1550.752 nm, 161.464 mW max, Ultra Low Noise Laser, This item is out of stock and currently has a, 100 Hz Typical, 250 Hz Max Linewidth with 70 dB Typical SMSR, Typical Relative Intensity Noise (RIN) of -165 dBc/Hz, Our complete selection of laser diodes is available on the, Less than -165 dBc/Hz Relative Intensity Noise (RIN), 14-Pin Hermetically Sealed Extended Butterfly Package, Two Integrated Thermoelectric Coolers (TEC) and Thermistors, PM Fiber Pigtail with 2.0 mm Narrow Key FC/APC Connector, Requires User-Supplied Laser Mount and Low-Noise Current Source, 20 pm Typical Mode-Hope-Free Tuning Range, -165 dBc/Hz Typical Relative Intensity Noise (RIN), Single Mode in Both Spatial and Longitudinal Modes. Important Notes: 1. Thorlabs does not offer a current supply with sufficiently low noise to drive this laser at the reported specifications; our testing was performed with a Vecsent Photonics D2-105 Laser Controller. Remove unnecessary reflective items such as reflective jewelry (e.g., rings, watches, etc.) TriggeringAll of these lasers support external triggering and require a trigger signal to generate laser pulses. These specifications are achieved through a patented design consisting of a single angled facet (SAF) gain chip coupled to a fiber Bragg grating (FBG) enclosed in a hermetically sealed case.1 Two integrated thermoelectric coolers (TECs) and thermistor pairs act in a closed loop to control the temperature of the gain chip and FBG independently. Of the three circularization techniques investigated in this work, only the cylindrical lens pair can also compensate for astigmatism. The output of these lasers is linearly polarized. The aspheric lens integrated into the laser head is factory set to collimate the optical output. For Item #s ending in B or C, the peak output power may be up to 15% greater or 24% lower than the value given in the table to the upper right. HysteresisThe single mode regions of the ULN hybrid lasers are not a static width; they change depending on whether the current is increased or decreased after single mode operation is reached. This category only applies to visible radiation (400 - 700 nm). Options range from individual laser diodes and DPSS lasers to complete laser solutions such as fiber-coupled lasers, HeNe lasers, femtosecond lasers, … Plots of typical pulses are also located in the table below. The item you will be receiving will be labeled with part number LDC 201 C. 633 mentions J’aime. External Cavity LaserThe External Cavity Laser (ECL) is a versatile configuration that is compatible with most standard free space diode lasers. Normalized astigmatism is the difference in the waist positions of the two orthogonal components of the beam, divided by the Raleigh length of the beam component with the smaller waist. They provide higher pulse energy than lasers with Item #s ending in A or B. Pulses may be triggered at rates up to 50 kHz. This laser class also applies to larger-diameter or diverging laser beams. Thorlabs, Newton (New Jersey). The displacement between the focal spots of the orthogonal beam components were measured for each circularization technique. Since the cavity length of a DFB is rather short, the linewidths are typically in the 1 MHz to 10 MHz range. These compact … Do not clean the fiber connector when the diode is in operation. These nanosecond pulsed laser systems produce adjustable-duration nanosecond pulses in response to a user-supplied trigger input sent to the Trigger In port on the back panel of the laser head. Closely related products include our amplifier modules, which we offer upon request, variable optical attenuators, microwave cables, and cable accessories. Is the source suitable for interferometric applications? Volume-Holographic-Grating-Stabilized LaserA Volume-Holographic-Grating-(VHG)-Stabilized Laser also uses a Bragg reflector, but in this case a transmission grating is placed in front of the laser diode output (see Figure 3). This class of laser is safe under all conditions of normal use, including use with optical instruments for intrabeam viewing. Description. The best circularization technique for an application is determined by the system’s requirements for beam quality, transmitted optical power, and setup constraints. The astigmatism was reported as a normalized quantity. These laser systems include the laser head, a +15 V power supply, a 2 mm flathead screwdriver, and two ECM225 clamps for post mounting the laser head. A safety shutter can be rotated to cover the optical output port, as shown in the images below. The beam output from the prisms had better M2 values and less wavefront error than the cylindrical lenses, but the transmitted power was lower. I found that the output of NPL41B has SM05 series internal thread. This corrugated periodic structure coupled closely to the active region acts as a Bragg reflector, selecting a single longitudinal mode as the lasing mode. In addition, an optical isolator should be placed at the output of the laser. LDC200C. Diodes are arranged by wavelength and then power. Clicking the words "Choose Item" opens a drop-down list containing all of the in-stock lasers around the desired center wavelength. www.thorlabs.com Specifications subject to change without notice. www.thorlabs.com Specifications subject to change without notice. I will reach out to you to discuss your application. While the connector is cleaned and capped before shipping, we cannot guarantee that it will remain free of contamination after it is removed from the package. Image of the beam profile taken at 5 m with Thorlabs', Applies to external triggering (all Item #s) and internal triggering (only Item #s ending in B). This had the desired effect of allowing the results of all circularization techniques to be directly compared; however, optimizing the setup for a circularization technique could have improved its performance. A VHG-Stabilized laser can produce output with a similar linewidth to a DFB laser at higher powers that is wavelength-locked over a wide range of currents and temperatures. Optical EmissionThe optical output is a linearly polarized, free-space beam collimated by an integrated aspheric collimating lens, which is positioned in a tube located behind the shutter. Best Regards. www.thorlabs.com Specifications subject to change without notice. The laser should be of f when plugging or un -plugging the connector. Please see the, The NPL64A laser outputs fixed width pulses. Contactez un fournisseur ou directement la maison mère pour connaître le prix, obtenir un devis et découvrir les points de vente près de chez vous. Output PowerThe average optical output power of these laser systems is the product of the repetition rate, the pulse width, and the peak pulse power. Exciting fluorescence and non-linear effects in materials. One of the main advantages of the ECL is that the relatively long cavity provides extremely narrow linewidths (<1 MHz). Optomechanics, optics, opto-electronics, laser … Thorlabs offers a range of laser safety accessories that can be used to reduce the risk of accidents or injuries. NPL41B). Diodes are arranged by wavelength and then power. The laser intensity at the center of the fiber tip can be very high and may burn the tip of the fiber if contaminants are present. The grating period can be changed by introducing thermal stress to the fiber, allowing users to temperature tune the laser output while being able to independently stabilize the gain medium's temperature. These laser systems include the laser head, a +15 V power supply, and two ECM225 clamps for post mounting the laser head. 4. Some of our key capabilities are: Our catalog product line includes a range of integrated fiber-optic transmitters, modulator drivers and controllers, detectors, pulsed lasers, and accessories. The fiber is very fragile and easily broken. Drive currents between the single mode ranges will result in multimode outputs. 3. Only the wavelength of light that satisfies the Bragg condition for the grating is reflected back into the laser cavity, which results in a laser with extremely wavelength-stable emission. Please Wait. In addition to these, we offer related items, such as receivers and customized catalog products. Welcome to Thorlabs; below you will find links to light emitters, sources, and controllers, a subset of our entire line of photonics products. Laser emission in the visible and near infrared spectral ranges has the greatest potential for retinal injury, as the cornea and lens are transparent to those wavelengths, and the lens can focus the laser … Mounting and CareEach laser is housed in an extended 14-pin butterfly-style package. Its nice to see these new grate products.well done! The laser's case has four mounting slots for use with 2-56 (M2) screws. This 640 nm wavelength pulsed laser system outputs fixed-duration 10 ns pulses in response to a user-supplied trigger input sent to the Trigger In port on the back panel of the laser head (shown to the right). Depending on the Rep Rate selector setting, the SMA connector on the back panel outputs a signal synchronized with the internally triggered pulses or accepts the user supplied trigger signal. Due to this “built-in” selection, a DFB can achieve single-frequency operation over broad temperature and current ranges. For that reason, the resulting powers were removed from the graph. ULN15PT . The ECM225 and ECM175 are two of Thorlabs' family of aluminum side clamps that are designed to securely mount Thorlabs' rectangular electronics housings. 250,00 EUR. However, each type of laser uses a different grating feedback configuration, which influences performance characteristics such as output power, tuning range, and side mode suppression ratio (SMSR). Please see the. Thank you in advance for your help The grating typically consists of a piece of photorefractive material (typically glass) which has a periodic variation in the index of refraction. Product Specifications View similar products. The experimental results are summarized in the following table, in which the green cells identify the best result in each category. All class 2 lasers (and higher) must display, in addition to the corresponding sign above, this triangular warning sign. Additional ECM225 clamps, as well as ECM175 clamps that attach to the side of the laser housing, are available separately. Post appropriate warning signs or labels near laser setups or rooms. Please see the Back Panels tab and manual for more information about the features on the back panel. Our catalog and custom products include a range of integrated fiber-optic transmitters, modulator drivers and controllers, detectors, receivers, pulsed lasers, variable optical attenuators, and a variety of accessories. Avoid handling the fiber by the rubber “boots” of the black housing and connector ends of the pigtail. After this is done, loosen the 5/64" (2.0 mm) locking screw in each clamp, insert the laser housing into the clamps, and then tighten the locking screws on both clamps until the laser housing is held securely. This webpage contains Thorlabs' pigtailed laser diodes with multimode (MM) fiber. Product Specifications View similar products. Typical Center Wavelength: 640 nm ± 10 nm, User-Supplied External Trigger Required to Generate Pulses, Trigger Signal Input via SMA Connector on Back Panel. While we don’t have this type of granular data, we have seen some change in spectral response as a function of duty cycle. Important Notes: 1. From optomechanical components to telecom test instrumentation, Thorlabs' extensive manufacturing capabilities allow us to ship high quality, well priced components and devices for next-day delivery. Thorlabs' current-tuning ULN laser provides a wide range of currents where the laser operates in a single mode when compared to the temperature-tuning configuration. The rows shaded green above denote single-frequency lasers. The Rep Rate selector on the back panel enables the user to either choose among three options for internally triggering the pulses, or to configure the laser to accept a user-supplied external signal to trigger pulse generation. If possible, reduce the output power of a laser during alignment procedures. Users should reference the laser's individual data sheet to see where these regions exist for their device. These laser diodes are made in-house at Thorlabs' semiconductor manufacturing … The ECL can have a large tuning range (>100 nm) but is often prone to mode hops, which are very dependent on the ECL's mechanical design as well as the quality of the antireflection (AR) coating on the laser diode. However, if the beam is refocused, the hazard may be increased and the class may be changed accordingly. We recommend cleaning the fiber connector before each use in case any dust or other contaminants have been deposited on the surface. The ECM225 has three #8 (M4) counterbored through holes, and the ECM175 has one. In addition, an ECL can be combined with a fiber Bragg grating (FBG) to create a hybrid design. INTRODUCTION A NALOGopticallinksrequireahigh-power,verylownoise ... MPs 1550 nm ULN-HL has been licensed to Thorlabs and is currently in the pilot production stage before … The Exfo / Burleigh 6000ULN Inchworm Controller is an open loop controller with a simple forward and reverse limit switch LED display. Thorlabs… It is suitable for any Mini-XLR-compatible device that requires a 15 VDC output, and is directly compatible with our nanosecond pulsed laser systems, sold above. From optomechanical components to telecom test instrumentation, Thorlabs' extensive manufacturing capabilities allow us to ship high quality, well priced components and devices for next-day delivery. Consider the laser's performance when driven with currents between 700 and 725 mA. The compact design allows for integration of the vacuum chamber, control electronics, vibration isolation platform and acoustic isolation into a 19” rack system and delivers state-of-the-art laser … Dernière Mise à jour COVID-19 sur l’Etude de Marché Diode laser visible 2020 par les acteurs clefs B&W TEK, Cel, Coherent, Daheng Optics, Edmund Optics, EUROLASE, Furukawa Electric, Hamamatsu, IMAGINE OPTIC SPAIN S.L., Laser Components GmbH, NICHIA, OSRAM Opto Semiconductors, OVIO INSTRUMENTS, PD LD, PhotonTec Berlin GmbH, Photronix, ROHM … Additionally, the close coupling between the grating structure and the active region results in lower maximum output power compared to ECL and DBR lasers. For quick reference, a list of equations are provided below. Now in its 30th year, Thorlabs is a leading designer and manufacturer of photonics equipment for research, manufacturing, and … Safe handling of devices in this class includes wearing protective eyewear where direct viewing of the laser beam may occur. If the current is increased from 700 mA, the output will not become single mode until a current of approximately 715 mA (red curves on the graph below); however, after entering this region of single mode operation, the drive current can be lowered to almost 700 mA with the laser cavity maintaining single mode operation (blue curves). The reported specifications are achievable by using a low-noise current supply. In appropriately designed instruments, ECLs can also provide extremely broad tuning ranges (>100 nm). Each NPL series Pulsed Laser Diode system includes two ECM225 anodized aluminum clamps, which snap onto the bottom of the laser housing and are secured by tightening the flexure lock using the 2 mm (5/64") hex locking screw. We would like to use the NPL41B with a wave guide. Current-Tuning vs Temperature-Tuning ConfigurationsOur ultra-low-noise lasers are available in either a current- or temperature-tuning configuration. D'occasion. The laser should be of f when plugging or un -plugging the connector. Lasers with Item #s ending in B or C have user-adjustable pulse durations, as specified in the table to the right. For more information on how these devices operate, see the Operation tab above. Figure 1: Parameters used to describe pulsed laser emission are indicated in the plot (above) and described in the table (below). This allows the laser … Kindly can you provide me with the spectral bandwidth in nanometer for this laser? Use both clamps when mounting this laser, as this will protect against misalignment in the event that the laser is bumped. Polarization follows this, so the NPLCs are vertically polarized with respect to the housing. regarding your product (NPL64B) Nanosecond Pulsed Lasers. The pulse width may be slightly different for a single pulse compared to a high rep rate pulse. The same wavelength/current dependence can be seen in our temperature-tuning models; however these models are designed to provide wavelength tuning at a constant power by changing the fiber Bragg grating temperature. Adjustable and Fixed Pulse Width OptionsThe NPL64A laser system provides fixed-width pulses with 10 ns typical durations in response to a user-supplied trigger signal input to the SMA connector on the back panel. Important Notes: 1. Thorlabs Acquires Fiber Laser Products from KMLabs Newton, NJ and Boulder, CO – October 28, 2019 Thorlabs and KMLabs announced today that Thorlabs has acquired the KMLabs’ Y-Fi™ portfolio, a … Hello, thank you for contacting Thorlabs. Compatible with Thorlabs' Laser Diode and TEC Controllers TO-packaged laser … This maximizes the mode-hop-free current tuning range, as shown in the graph to the right. Feedback; ECL, DFB, VHG-Stabilized, DBR, and Hybrid Single-Frequency Lasers. If the laser is driven at a current at the edge of a region of single mode operation, this change can occur over just a few degrees Celsius. Brand. The maximum ratings mean the limitation over which the laser should not be operated even instant time. I will reach out to you directly to discuss your specific requirements for a particular part recommendation. Thorlabs' extensive selection of laser diodes includes Fabry-Pérot and Fiber Bragg Grating (FBG) Lasers, as well as Single-Frequency Lasers (SFL) with Distributed Bragg Reflector (DBR), Distributed Feedback (DFB), Volume Holographic Grating (VHG), External Cavity (ECL), and Ultra Low Noise (ULN) … The major axis of the ellipse is vertically oriented when the bottom surface of the laser head is in the horizontal plane. The diode inside is a Fabry-Perot laser diode with several modes. The characteristics of the circularized beams were evaluated by performing M2 measurements, wavefront measurements, and measuring the transmitted power. 3. The tunable lasers, modulator drivers, and modulator bias controllers are also available separately. From optomechanical components to telecom test instrumentation, Thorlabs' extensive manufacturing capabilities allow us to ship high quality, well priced components and devices for next-day delivery. Thorlabs offers a range of laser safety accessories that can be used to reduce the risk of accidents or injuries. This stability makes it excellent for use in OEM applications. See the subgroups below for more information on the differences between these configurations. The Rep Rate selector on the back panel allows the user to easily choose the desired internal or external trigger setting. Compatible mounting fixtures with tip and tilt (pitch and yaw) adjustment capability, which can be helpful when the application requires tuning laser beam pointing angle, include the PY005 (PY005/M) Five-Axis Stage and the TTR001 (TTR001/M) Tip, Tilt, and Rotation Stage. The DFB laser is the most stable single-frequency, tunable laser configuration. Pulse widths are adjustable from 5 to 39 ns over 16 discrete settings with approximately equal spacing. Thorlabs' Ultra-Low-Noise (ULN) Hybrid Lasers provide signals with relative intensity noise below -165 dBc/Hz and typical (Lorentzian) linewidths of 100 Hz. I will reach out to you directly to discuss your application. User-Adjustable Pulse Width (See Table Below), Generate Pulses with or without a User-Supplied Trigger, Internally Triggered Pulse Rates of 1, 5, and 10 MHz, Trigger Signal Input/Output via SMA Connector on Back Panel. They are designed to create a laser cavity, similar to an ECL, through the length of fiber. 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