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Waveplates

[ Altechna ]
Achromatic (Broadband) Waveplates

사양
Surface quality, S-D : 20/10
Transmitted wavefront distortion, P-V : < λ/8 @ 632.8nm
Retardation tolerance @ 20°C : ±λ/100
Clear aperture : Ø5–76.2mm
AR coatings : Ravg < 0.75% on each surface
LIDT : > 5J/cm² @ 1064nm, 10ns, 10Hz
브랜드
Altechna

Achromatic (broadband) waveplates

Achromatic (broadband) waveplates (AWP) are a pair of crystalline quartz and magnesium fluoride plates of controlled thickness with crossed fast axes to create a λ/2 or λ/4 delay in the broad            wavelength range. The difference in dispersion between materials allows the arrangement of a slow phase shift over a broad wavelength range.

Achromatic waveplates are needed for various devices, such as tunable laser sources, multiple laser line systems, and other broad-spectrum sources. Achromatic (Broadband) waveplates could be    used to replace a number of single-wavelength quartz waveplates, making your system more convenient and easier to use.

 

Typical Items for Achromatic (Broadband) Waveplates

Wavelength, nm

Product ID

λ/2 retardation, clear aperture > 8mm

Product ID

λ/4 retardation, clear aperture > 8mm

340-560

2-APW-L2-008Z

2-APW-L4-008Z

450-650

2-APW-L2-008A

2-APW-L4-008A

550-750

2-APW-L2-008B

2-APW-L4-008B

650-1100

2-APW-L2-008C

2-APW-L4-008C

Wavelength, nm

Product ID

λ/2 retardation, clear aperture > 12mm

Product ID

λ/4 retardation, clear aperture > 12mm

340-560

2-APW-L2-012Z

2-APW-L4-012Z

450-650

2-APW-L2-012A

2-APW-L4-012A

550-750

2-APW-L2-012B

2-APW-L4-012B

650-1100

2-APW-L2-012C

2-APW-L4-012C

Wavelength, nm

Product ID

λ/2 retardation, clear aperture > 18mm

Product ID

λ/4 retardation, clear aperture > 18mm

340-560

2-APW-L2-018Z

2-APW-L4-018Z

450-650

2-APW-L2-018A

2-APW-L4-018A

550-750

2-APW-L2-018B

2-APW-L4-018B

650-1100

2-APW-L2-018C

2-APW-L4-018C