Raman and Laser line Interference Filters

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XR Raman Filter Sets

We currently offer stock filter sets for common Raman laser wavelengths. Each set comes with a laser line filter for removing spurious background from the probe laser, and an ALPHA-Epsilon longpass edge filter to provide deep blocking of the Rayleigh scattering. Custom sets or individual parts can be made for other laser wavelengths.

XR01 : for 488nm laser excitation

The XR01 set is designed for use with the 488nm line of an argon ion lasers. The laser line filter is designed to provide >60% transmission of the 488nm line, and broadband blocking from the UV to 2500nm of the other lines associated with this laser. The longpass edge filter is designed to provide >OD5 (0.001% T) blocking at the 488nm laser line, with a very steep edge slope and high transmission in the passband (>85% average). It is designed to be angle-tuned up to 10° for best performance.

XR02: for 514.5nm laser excitation

The XR02 set is designed for use with the 514nm line of argon ion lasers. The laser line filter is designed to provide >60% transmission of the 514.5nm line, and broadband blocking from the UV to 1500nm of the other lines associated with this laser. The longpass edge filter is designed to provide >OD5 (0.001% T) blocking at the 514.5nm laser line, with a very steep edge slope and high transmission in the passband (>85% average). It is designed to be angle-tuned up to 10° for best performance.

XR03: for 532nm laser excitation

The XR03 set is designed for use with the 532nm line of the frequency double Nd: YAG laser and other solid state lasers. The laser line filter is designed to provide >60% transmission of the 532nm line, and broadband blocking from the UV to 1500nm. The longpass edge filter is designed to provide >OD5 (0.001% T) blocking at the 532 laser line, with a very steep edge slope and high transmission in the passband (>85% average). It is designed to be angletuned up to 10° for best performance.

XR04: for 632.8nm laser excitation

The XR04 set is designed for use with the 632.8nm line of the helium-neon laser. The laser line filter is designed to provide>60% transmission of the 632.8nm line, and broadband blocking from the UV to 1500nm. The longpass edge filter is designed to provide >OD5 (0.001% T) blocking at the 632.8nm laser line, with a very steep edge slope and high transmission in the passband (>85% average). It is designed to be angle-tuned up to 10° for best performance.

XR05: for 785nm laser excitation

The XR05 set is designed for use with the 785nm line of the Ti: sapphire laser and other solid state or diode lasers. The laser line filter is designed to provide>60% transmission of the 785nm line, and broadband blocking from the UV to 2500nm. The longpass edge filter is designed to provide >OD5 (0.001% T) blocking at the 785nm laser line, with a very steep edge slope and high transmission in the passband (>85% average). It is designed to be angle-tuned up to 10° for best performance.

See also Laser Line Interference Filters and Raman Edge Filters