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405nm-976nm Highly Stabilized Compact Wavelength-Locked Laser System HiRes
This is a high wavelength stability compact laser system suitable for Raman spectroscopy and high-resolution applications. The system provides exceptionally stable single-mode laser emission with a coherence length of up to 10m, a typical side mode suppression ratio of 40dB, and wavelength stability better than 0.015nm. It is available in several standard output power versions: 75mW, 100mW, 175mW, 225mW, and 500mW. Customization based on wavelength or output power is also available upon request.
Product features:Precision wavelength locking; Narrow linewidth; Compact integrated design; Fast tuning capability; Low noise output
Part Number:MP-WLOK-405-976-HiRes
Application area:Atomic physics | Quantum technology | Precision spectroscopy & metrology | Coherent optical communications | Optical sensing & detection | Raman spectrosopy
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Center Wavelength Output Power
405nm-976nm up to 500mW

Optical Parameter
Wavelength | Maximum output power | Spectral Linewidth*3 | Coherence length*3 |
405 nm | 25, 40mW | <160 MHz/0.1 pm | >1.0 m |
633 nm | 40, 70mW | <20 MHz/0.05 pm | >10.0 m |
638 nm | 120mW | <150 MHz/0.2 pm | >2.0 m |
640 nm | 32 mW | <300 MHz/0.5 pm | >1.0 m |
658 nm | 40mW | <300 MHz/0.5 pm | >1.0 m |
785 nm | 100mW | <175 MHz/0.4 pm | >1.5 m |
785 nm | 225 mW | <10 MHz/0.05 pm | >10.0 m |
808 nm | 120mW | <50 MHz/0.1 pm | >2.0 m |
808 nm | 450*2mW | <10 MHz/0.1 pm | >10 m |
852 nm | 270mW | <18000 MHz/45 pm | >1.5 m |
852 nm | 550*2mW | <20 MHz/0.1 pm | >2.0 m |
976 nm | 270mW | <1500 MHz/5 pm | >20 cm |
Beam Specifications
Parameter | Vaule |
Beam Diameter | 1.1 × 2.2 to 1.2 × 2.8 mm |
Divergence Angle | < 1.2 mrad |
Spatial Beam Mode | TEM00(except for multimode lasers) |
Polarization | Linear polarization > 100:1typical |
Beam Pointing | < 5 mrad und < 0.1 mm |
Pointing Stability | < 5 µrad/K |
Noise | < 2 % RMS |
Power Stability | < 1 % (10 h) |
Temperature Control Accuracy | < 10 mK |
Warm-up Time | 5s after ready for use,3 minutes after calibration |
Drive Mode | Active current control |
Modulationl Mode* | Adjustable constant power, analog and digital external modulation up to 1.5 MHz |
Control Mode | Via USB control, optional remote control unit |
CDRHClassification | 3b, 4(for laser output>500mW) |
Dimensions | 63.5 × 31.0 × 32.5 mm |
Weight | 94g(laser head) |
Operating Temperature | 0°C to 45°C(non-condensing) |
Storage Temperature | -25°C to 70°C |
Note:
*Modulation may reduce beam quality and stability;
*2 Wayer cooler recommended
*3 Running laser continuously at maximum output power
Laser Controller
The laser head requires a laser controller to provide power and control all operating parameters. For scientific applications and prototyping we recommend using our PowerController. For
industrial integration we also offer the highly compact PowerBox to be directly attached to the laser head or connected via a customized cable. The 532 nm DPSS laser is only available with the PowerBox
Power Supply Control
This laser requires a laser controller to supply power and control all operating parameters. For scientific applications, we recommend using our power supply controller. For industrial integration, we also offer a highly compact power supply box that connects directly to the laser head or via a custom cable.

Power Supply Controller & Technical Parameters
Power Supply Controller | |
Modulation Input | Analog and digital0-5VDC |
Modulation Frequency | up to 0.5 MHz |
Digital Interface | USB*1(RS-232 optional) |
Control Inputs | Interlock, keyswitch, modulation mode switch |
Cable Length | 80cm(default) |
Power Consumption | 12VDC,up to 2A(depend on laser output power) |
AC Adapter | 100-240VAC,50-60Hz |
Dimensions | 85.0×85.0×32.5mm |
Weight | 416g |
Power Box

Compact Power Sullpy Box | |
Modulation Input | Analog and digital 0-5VDC |
Modulation Frequency | up to 1.5MHz |
Digital Interface | USB*1(RS-232optional) |
Control Inputs | Interlock |
Cable Length | 80cm(default) |
Power Consumption | 12-36VDC,up to 2A(depend on laser output power) |
Dimensions | 39.0×31.0×32.5mm |
Weight | 69g |
Options & Accessories

•Opto-mechanical shutter
• Diode wavelength selection
• Water cooling base plate
• Heatsink labor kit
• Cooling Ice kit
• RS-232 interface
• Fiber coupler
• fibers
Control software

All operating parameters can be monitored and controlled from a PC using the Ltune laser control software for Windows. Alternatively, the laser can easily be controlled from your own application software. Please refer to the user manual for a detailed description of the communication protocol.
Typical emission spectrum of 785nm 100mW

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