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Yttrium orthovanadate (YVO 4) is a transparent crystal.Undoped YVO 4 is also used to make efficient high-power polarizing prisms similar to Glan–Taylor prisms. [1]There are two principal applications for doped yttrium orthovanadate:
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.
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]
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 .
Here are the 12 most visited state parks in Illinois from 2023. 12. Sangchris Lake State Park - 796,000 visitors ... This 4,160-acre park extends along the shores of Lake Michigan in northern ...
The Illinois Department of Natural Resources (IDNR) is the code department [1] [2] of the Illinois state government that operates the state parks and state recreation areas, enforces the fishing and game laws of Illinois, regulates Illinois coal mines and other extractive industries, operates the Illinois State Museum system, and oversees scientific research into the soil, water, and mineral ...
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]
Chicago area: Located in the James "Pate" Philip State Park, operated by the Bartlett Park District [1] Black Hawk State Historic Site: Rock Island: Rock Island: Northern: 208-acre park includes Singing Bird Nature Center for outdoor education programs and native bird section, and a museum of Native American life Cabin Nature Center: Wood Dale ...