Need help with Green Laser Line creator

[Alaskan]

I've used those Powell lenses to create a line myself, they work well but so far, haven't found them at low prices from a reputable manufacturer, although there are some on ebay right now for under 30 dollars which are likely made in China.

K9 Powell Lenses 110º Laser Optical Prism Line Glass Lens 9mm for sale online | eBay

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https://www.coherent.com/assets/pdf/Efficient-Transformation-of-Gaussian-Beams-into-Uniform-Rectangular-Intensity-Distributions_FORMFIRST.pdf