https://www.ts-space.co.uk/news daily 0.75 2025-12-19 https://www.ts-space.co.uk/news/christmas-opening-times-amp-other-news monthly 0.5 2025-12-19 https://www.ts-space.co.uk/news/we-have-moved monthly 0.5 2024-12-09 https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/1726847564328-ZPOEJA106S39Q57WXULC/IMG_20240920_162035820+%281%29.jpg TS-Space Systems - News - We have moved! https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/1726847567656-Z4H0BX0JUON503LV9X7S/IMG_20240920_162142100.jpg TS-Space Systems - News - We have moved! https://www.ts-space.co.uk/news/advanced-notice-august-shutdown monthly 0.5 2024-04-30 https://www.ts-space.co.uk/news/we-are-moving monthly 0.5 2024-04-04 https://www.ts-space.co.uk/news/christmas-closing-and-plans-for-2024 monthly 0.5 2023-12-13 https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/c95f4a83-5202-4d08-ab94-b9bbe1f11ee7/ts-christmas-logo_3.png TS-Space Systems - News - Christmas closing and plans for 2024 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.ts-space.co.uk/news/what-makes-a-solar-simulator monthly 0.5 2024-01-03 https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/0b2a3b03-d40e-49dd-974c-e6bf8f37f870/blog1.png TS-Space Systems - News - What Makes a Solar Simulator? Xenon Arc Lamps These have been commonly used in most simulators since the very first 1960's designs due to the raw output having a fairly approximate match to the AM0 spectrum. There are, however, large infra-red "spikes" which must be attenuated to achieve a close spectral match. Even so, a single source solar simulator consisting of an IR filtered xenon arc source will provide a crude match to AM0/AM1.5, which is acceptable if you are testing single-junction devices or biological tests where an exact spectral match is not necessary. They are expensive compared to other arc sources, primarily due to the increasing demand for a limited global supply of xenon. https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/a80d1f0e-5f99-457b-8da1-b7152255e2d4/blog1-3.png TS-Space Systems - News - What Makes a Solar Simulator? - Quartz Tungsten Halogen Lamps (QTH) These provide an excellent black-body match in the infra-red but very poor across the visible range. As such they are more commonly used in more advanced multi-source solar simulators. See our previous post for more information on advanced solar simulators. https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/961187cb-3fa5-4f44-b5f5-8b6cb432e7dc/blog1-2.png TS-Space Systems - News - What Makes a Solar Simulator? - Metal Halide Arc Lamps (HMI) Commonly used in film and television lighting where a close match to daylight is required along with a high temporal stability for filming, metal halide arc lamps provide an alternative to xenon which are more stable, give better temporal stability, are low-pressure, easier to maintain and cheaper. The spectral perturbations in the infra-red are much reduced from xenon, meaning they are excellent basis for both Class "A" and advanced solar simulators (see relevant section above). For reference, an unfiltered metal halide arc lamp will produce a B class spectral match. https://www.ts-space.co.uk/news/n-zone-simulator monthly 0.5 2024-01-02 https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/735d78a0-c1ed-495f-9104-c769b83f784e/close+match+solar+simulator+spectrum.png TS-Space Systems - News - Multi-Junction Cell Investigation Technique - Figure 1: TS-Space Systems Unisim close match solar simulator set @ 90% of AM0 vs ASTM AM0 standard spectrum. The basic technique, assuming that illumination levels above and below AM0 are required, is to reduce the overall level of illumination of the simulator so as to be, say, 10% below AM0, but maintaining the AM0 spectral distribution (Figure 1). https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/6b3dee26-aed9-4d5a-a9cb-ac1ed8520858/n-zone+close+match+spectrum+boost.png TS-Space Systems - News - Multi-Junction Cell Investigation Technique - Selected LED's are then used to provide the correct illumination Figure 2: TS-Space Systems Unisim close match solar simulator set @ 90% of AM0 with selected LED's applied at 450nm, 900nm. Selected LED's are then used to provide the correct illumination for each junction at AM0 (Figure 2). By varying the output of these LED's, the current in any selected junction may be increased or decreased as required. In this way, any junction may be investigated independently of any other junction. Please note that alternative LED wavelengths to the ones demonstrated here are available. https://www.ts-space.co.uk/news/solar-simulators monthly 0.5 2024-01-02 https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/5725d4ad-521d-4b21-8c43-db39e770f775/blog3.png TS-Space Systems - News - The Advantages of a Close Match Spectrum - Figure from [2] comparing a basic spectral match and the new 'close-match' solar simulator presented in [1]. The deviation at 2200nm onwards is due to the spectrometer calibration. https://www.ts-space.co.uk/news/simulator-zone monthly 0.5 2024-01-02 https://images.squarespace-cdn.com/content/v1/653fad912fff802e836dbe37/7ec250ff-d849-4096-b2be-9cf201e9bda0/blog4.png TS-Space Systems - News - What is a Solar Simulator Zone? - Make it stand out Spectral irradiance comparison between AM0 standard (ASTM E-490) and TS-Space Unisim: (a) irradiance from each of four lamps indicated by “zone” numbers and vertical blue markers indicate band gaps of typical IMM four junction solar cell; (b) percent of total irradiance for each of six wavelength regions as specified by IEC 60904-9.[1] https://www.ts-space.co.uk/news/category/solar+simulators monthly 0.5 https://www.ts-space.co.uk/news/tag/solar+simulators monthly 0.5 https://www.ts-space.co.uk/test-house daily 0.75 2025-03-14 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