PAL9 Mounting Carriage,
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Features

Mount and Collimate a 5.6 mm or 9 mm Laser Diode
AR-Coated Aspheric Lens with 5 Degrees of Freedom
Pair with a FiberPort on a FiberBench to Fiber Couple Laser Diode
Ideal for Low-Power Laser Diodes
High-Power TEC Versions Available by Contacting Tech Support

Thorlabs' LaserPort mounts either a 5.6 mm or a 9 mm customer-supplied laser diode and collimates the laser's emitted light. It offers 5-axis (X, Y, Z, Pitch, and Yaw) adjustment of an aspheric lens relative to a laser diode, allowing the user to adjust the lens for optimum collimation performance. As the LaserPort does not offer TEC control, dissipating heat from the diode is essential for stable power and wavelength output. To accomplish this and to electrically insulate the diode, the LaserPort features a ceramic mounting seat for the diode. To drive the laser diode, we suggest using our SR9 cables; however this configuration will provide an electrical connection only, not strain relief. These cables are designed to accommodate various pin configurations and can be easily integrated with our Laser Diode Current Controllers.

Temporary Fiber Pigtail
The highly-stable 5-axis adjustment, combined with the thermal properties of the mount, provides the LaserPort with excellent stability characteristics. As can be seen at the top right of this webpage, the LaserPort can be paired with a FiberPort on a FiberBench for fiber coupling applications. Depending on the divergence angle of the laser diode, a diode can be coupled into single mode fiber with better than 60% efficiency. This essentially creates a temporary fiber pigtail where the laser diode can be easily swapped. As a testament to this setup's stability, our tests have shown initial coupling efficiency to single mode fiber of 62% only decreasing to 58% over a 7 day period.

Item #	Lens EFL	Coating Range	Max Beam Divergence	Collimated Output Beam Diameter*	Laser Diode Package
PAL5-A	2.7 mm	350 - 700 nm	31°	0.5 - 2.7 mm	5.6 mm
PAL5-B	2.7 mm	650 - 1050 nm	31°	0.5 - 2.7 mm	5.6 mm
PAL5-C	2.7 mm	1050 - 1620 nm	31°	0.5 - 2.7 mm	5.6 mm
PAL9-A	2.7 mm	350 - 700 nm	31°	0.5 - 2.7 mm	9 mm
PAL9-B	2.7 mm	650 - 1050 nm	31°	0.5 - 2.7 mm	9 mm
PAL9-C	2.7 mm	1050 - 1620 nm	31°	0.5 - 2.7 mm	9 mm

*Dependent on the divergence angle of the laser diode.

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Posted Comments:

Poster: Thorlabs

Posted Date: 2010-10-28 21:23:22.0

Response from Javier at Thorlabs to Patrick: we currently do not offer a similar product for TO3, TO5, and TO8 LD packages. The lens could potentially be replaced, but the NA and focal length specifications of the new lens would have to be similar, or else the mechanic design would have to be modified significantly. I will contact you directly to discuss the possibility of a customized solution.

Poster: berthoud

Posted Date: 2010-10-28 15:58:02.0

Do you have similar product to holding a TO3, TO5 and TO8 laser diode package ? If not do you intend to develop those ? If not could we easily adapt the back side flange for accomodating those laser packages ? As we intend to use difference aspheric lens (e.g C230TME-B), can you order laser port with the propoer lens, or order separately laser port without the lens and the proper lens ? Regards, Patrick

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