The TLS260 series outputs a much greater light output intensity than its predecessors. Two versions of the TLS260 are available: The TLS260-300 X includes the 6258 300 W, ozone-free Xenon arc lamp. Xenon arc lamps useful for solar simulation applications due to their sun-like emission spectrum and high UV output intensity. They exhibit a typically smooth output curve throughout the ultraviolet and visible wavelength ranges, with sharp emission lines between 750-1000 nm. Compared to QTH lamps, Xenon arc lamps have higher monochromator throughput and a smaller divergence angle. Ultraviolet light below 242 nm produces toxic ozone. The Xenon arc lamp used in our TLS is ozone free, making it suitable for applications that do not require wavelength emission below 260 nm. The 66160 socket adapter required to use the 6258 in the Research Lamp Housing of the TLS is included with the system. The TLS260-250Q includes the 6335 250 W Quartz Tungsten Halogen (QTH) lamp. QTH lamps are popular light sources for spectral sensitivity measurements due to their relatively smooth output curve in the visible to near-infrared wavelength ranges, with minimum ultraviolet emission. The 6335 is a specialized QTH lamp hand selected for use with the TLS260-250Q. QTH lamps have a typical operating lifetime on the order of tens of hours. However, the 6335 has a typical lifetime of 300 hours. Two 6335 lamps are included with the TLS260-250Q. The 60043 socket adapter required to use the 6335 in the Research Lamp Housing of the TLS is included with the system.

The TLS260 series includes a Cornerstone 260 monochromator in its setup. This monochromator is based upon an asymmetrical in-plane version of a Czerny-Turner monochromator. The optical configuration is designed to ensure high resolution and maximum throughput, while rejecting stray light and minimizing aberrations. A fixed slit assembly is at the input port and a micrometer driven slit is at the output port of the monochromator. This allows for flexibility and convenience in adjusting the slit widths of the monochromator to meet the resolution and light throughput needs of any application. A simple input command from the user coordinates the operation of the integrated filter wheel and monochromator to output broadband white light, or monochromatic light from the TLS260. 600 μm (18 mm height) and 1240 μm (18 mm height) wide fixed slits are included with the TLS260.

The output flange of the TLS260 is the standard Oriel 1.5 inch flange designed to be compatible with Oriel Detectors and Detection Systems. This flange can be removed to change the size of the output flange to 2.0 inch, making the TLS compatible with Newport's 2.0 inch sized , if a larger output beam diameter is required.

Each TLS260 unit sold to a customer is tested prior to shipping to confirm that the unit meets factory standards. The customer receives this test report with his/her TLS unit for future reference. The final test data included with each unit includes:

• Optical power from 300 to 1650 nm for Xe source or 350 to 1650 nm for QTH source
• Beam diameter and divergence angle
• Light output stability
• Wavelength accuracy and resolution