Answers to Your Top LDLS® Questions

We’re here to help answer all of your Laser-Driven Light Source (LDLS®) questions. While the data below is based on typical values, we’re happy to provide more detailed specifications. Select a topic below to jump to the common questions we receive on that subject.


How do I request a quotation?

Are custom configurations available?

Service & Operation

What is the lifetime / output degradation of the LDLS?

How do I initiate an RMA?

What is the standard warranty for an LDLS?

What is the proper mounting orientation for my LDLS lamp head?

What is the warm-up time of the LDLS?

Do LDLS systems require external cooling?


What is the spectral range of LDLS?

What are the options for the output window material of the LDLS? What window type is right for my application?

What is the radiance performance of the free space LDLS?

What is the Numerical Aperture (NA) of each of the LDLS?

What is the total broadband optical power of the LDLS?

Are collection optics available for free-space LDLS models?

How far is the center of the plasma from the output window of the free space LDLS?

Is it possible to purchase an LDLS with a dual output?

What is the spatial stability of the plasma of the LDLS?

What is the average plasma size of the LDLS?

Fiber Coupled

Is there a fiber coupled version of the LDLS?

What is the difference between UV-Vis Solarization Resistant (UV) and Broadband (BB) fibers?

What is the fiber output termination?

How do I select the correct fiber for my application?

What is the total output power performance of the available fibers?

What should I use to collimate the EQ-99X-FC?

Is it possible to use non-Energetiq fibers to couple the EQ-99X-FC LDLS?

What is the numerical aperture of the fibers? Is the fiber PC or APC? Is the fiber narrow key or wide key?

Is there a limit on the output fiber length from the lamp head to the application?

For the EQ-99X and EQ-99X-FC, what are the restrictions on the laser fiber between the lamp head and the power supply?

Nitrogen Purging

When do I need to purge the LDLS?

What grade of nitrogen is recommended to use in the purging process?

What pressure is required for the dry nitrogen purge?

Can you purge with other gases besides nitrogen?

Can you put a vacuum on the lamp head instead of purging with nitrogen?

Can I use the LDLS in a cleanroom environment?

Laser Safety

Are LDLS laser products?

What Laser Class are LDLS products?

Still have questions?

Our experts are here to help you choose the right light source or talk through customizations.

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