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Neodymium-doped yttrium orthovanadate (Nd:YVO 4) is a crystalline material formed by adding neodymium ions to yttrium orthovanadate. It is commonly used as an active laser medium for diode-pumped solid-state lasers. It comes as a transparent blue-tinted material. It is birefringent, therefore rods made of it are usually rectangular.
[13] [31] One specific REE of interest is neodymium (Nd), which has extensive applications in the industry. [13] Nd exhibits distinctive spectral features in reflectance spectroscopy that can be used for its detection and identification, centred near 740, 800, and 865 nm (D 740, D 800, D 865) in the wavelength spectra.
Here are the 12 most visited state parks in Illinois from 2023. ... two fishing lakes and picnic space. ... This 4,160-acre park extends along the shores of Lake Michigan in northern Illinois near ...
Goose Lake Prairie State Natural Area is a 2,537-acre (1,027 ha) state park in Illinois. More than half of the state park is a tallgrass prairie maintained as an Illinois Nature Preserve . It is located in Grundy County near the town of Morris approximately 50 miles (80 km) southwest of Chicago .
State parks are owned by the state and generally administered by the Illinois Department of Natural Resources. [3] Specifically, “State Park” refers to sites “exhibiting exceptional scenic and natural features and terrain” and that “offer a wide range of recreational opportunities for the public to enjoy”. [4]
The Moraine View State Recreation Area is a state park operated by the Department of Natural Resources (DNR) of the U.S. state of Illinois. The 1,687 acre (6.7 km 2) recreation area is located near Le Roy, Illinois. The predecessor of Moraine View, the McLean County Conservation Area, traces its history to 1959.
In 1947, the state acquired a 160 acres (65 ha) parcel known as the Wolf Lake State Recreation Area. Later acquisitions were added to the property and have increased the area which was known as Wolf Lake Conservation Area. In 1965, the Illinois General Assembly named the area after William W. Powers. [1]
[2] [3] The park is located in Kendall County, Illinois, five miles (8.0 km) west of the city of Yorkville. Since the original acquisition in 1969, 100 acres (40 ha) have been added to the park [2] Silver Springs State Fish and Wildlife Area was one of five new state parks opened in northern Illinois from 1969–1971.