ULN Series of laser diode modules feature an alternative solution to the mode-hop problem. Rather than regulate temperature, a special modulation is used to force the laser into a multi-longitudinal mode.

While a normal laser will operate in a single-mode longitudinal or oscillate between two strong modes, the modulation creates several modes of lower intensity. As the laser temperature increases, these modes move like a caterpillar across the wavelength spectrum. The movement does not allow abrupt changes, so the system operates as if there were no mode-hops.

The result is low RMS noise (~0.06%), which is stable over changes in temperature and the life of the diode laser module.

Features and Benefits

• Ultra Low Noise (ULN)
• RMS noise
• Circular beam, 1mm
• No mode-hop noise
• No warm-up period
• Wavelength of 635 nm with 5 mW output power
• Includes Safety Shutter
• Long lifetime
• Includes Power Supply and North America Power Cord

Mount for Ultra Low Noise (ULN) Laser Diode Module. Ball Mount

0221-449-00

$74.00 USD

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StingRay Heat Sink Mount

1222896

$90.00 USD

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StingRay Mount Adapter Plate

1222894

$30.00 USD

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StingRay Multi-Axis Mount

1280838

$350.00 USD

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OBIS LX 633 nm 70 mW Laser (Replaces HeNe Helium-Neon)

1405615

$2,295.00 USD

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OBIS LX 633 nm 70 mW Laser System (Replaces HeNe Helium-Neon)

1405959

$2,890.00 USD

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OBIS LX 633 nm 50 mW Laser System, Fiber Pigtail, FC (Replace HeNe Helium-Neon)

1407012

$4,035.00 USD

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