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If you've never used UV black lights to find pet pee, you could have some difficulty finding the stains you're looking for so here are some reasons you can't find the animal urine stains.

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Polarization of light is a property that applies to turning waves that shows the geometrical blooming of the oscillations. In a turning wave, the way of the ...

There are four ranges to UV light – UV-A, UV-B, UV-C and Vacuum-UV: UV-A ... As UV-C LEDs can select various wavelengths to target specific ...

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Back to Glossary Index. Light source or beam whose rays are parallel. Lasers generate collimated light beams, and lenses can be used to collimate light.

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The power meter is suitable for measuring the CO2 laser, YAG laser, semiconductor lasers, solid-state lasers, laser lights, medical laser and fiber optic light ...

Dry pet urine is the only type of urine that UV black lights can detect. The glow it creates will be weak or nonexistent if the pee is still wet or not completely dried. Even if the stain has had time to set, moisture on the stained surface or humidity in the air (such as that found in the bathroom, kitchen, or outdoors) may reduce the black light's effectiveness. Allow the pet pee to completely dry before attempting to identify it with your UV light for the brightest glow.

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UV black lights are used to spot old animal stains like dog or cat pee that aren't visible to the naked eye. Black light torches shine wavelengths that cause the proteins and phosphorus in pet urine to glow, exposing the cause of odours and concealed stains. The Odorex Pet Urine Stain Detectors has a specific wavelength for detecting animal pee and is safe to use without protective glasses (unlike the powerful lights you see on CSI TV programs).

N Chakrova · 2015 · 50 — Here we study the differences between several types of incoherent illumination patterns, such as multi-spot, line and pseudo-random patterns.

Make sure your UV black light is functioning properly by performing this fast test. Grab some white paper, then hold it up to your black light. A strong purple coloured light will show on the paper. If your light's intensity is low it may be defective, so please get in touch with us so we can replace it.

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Bear in mind that pee on extremely absorbent textiles can sometimes penetrated deeply, past the surface layers. If so, there might not be enough urine on the surface to cause a noticeable glow.

Once the torch is turned on, hold it at arms length and shine at the floor just in front of your feet. Slowly move through the room and allow your eyes to adjust to the UV light. You may see other florescent specs glowing. Other compounds, like carpet cleaner or a drink that has been spilt, frequently emit a dazzling white glow. Pet urine fluoresces to a light yellow so that is what you should look for. Consider that the smell might not be coming from where you think it is so conduct a thorough search. Commonly dogs will pee near outddoor access doors, under or behind furniture if an accident or up against tables, beds etc if marking. Typically cats are sneakier and prefer to pee around the back of couches, up against walls and curtains, in closets that have been left open, or piles of clothes etc.

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Polarized light refers to light that has been filtered to vibrate in a single plane. It is especially useful in metallography for revealing the grain ...

Here is a comparison of two different familiar astronomical objects. One appears as seen with the naked eye, and the other is magnified.

Battery Life Is ImportantThe UV black lights from Odorex require 3 x AAA, which will give approximate 50 hours of use. However if you are using old batteries the glow will be weak so we recommend installing new batteries when using for the first time and removing the batteries from your black light when it's not in use to extend its lifespan.

Odorex® is manufactured with pride by Resource Developments NZ Ltd, a family owned company specialising in odour control with a range of eleven proprietary deodorising products for people and pets.

Our model of UV works best when there is no ambient light. Wait until nightfall, turn off all of the lights in the room or area you are in and close the curtains and doors.

In general, surfaces like carpet or upholstery will respond to UV light better than tile, hardwood floors, and other hard surfaces. A stronger glow can be produced since pet urine has a higher propensity to dry in greater quantities on porous absorbent surfaces. With hard surfaces, the pee typically dries in a thinner layer that is simple to remove with cleaning solutions or wear and tear. In other words, the glow gets brighter the more urine there is.

Darker hues absorb more light so it may be difficult for your black light to display a brilliant glow on dark surfaces - the glow will be lighter the darker the surface.  For instance, a tan couch will be easier to spot stains on than a brown one.Another issue is patterns. If the surface is patterned, the glow can become less noticeable since it will blend in with the pattern. A surface with a consistent colour will perform best with your UV light.

Light microscope, visible light passes through the specimen (the biological sample you are looking at) and is bent through the lens system.