Achromatic Waveplates (Retarders)
Achromatic Waveplates (Retarders) *Thickness is 9,00 ±0,1 mm **Clear Aperture is >27 mm
Diameter (mm): 12,7 25,4 25,4 30,0 50,8
Clear Aperture (mm): >8,0 11,5 >20,0 23,0 >34,0
Thickness (mm): 6,00 ±0,2 8,00 ±0,1 6,00 ±0,2 6,00 ±0,15 6,00 ±0,2
Surface Quality: 40-20 20-10 40-20 20-10 40-20
Parallelism (arcsec): <10 <1 <10 <1 <10
Damage Threshold,
By Design: >5 J/cm2 @ 1064 nm, 10 ns, 10 Hz 2 J/cm2 @ 1064 nm, 8 ns >5 J/cm2 @ 1064 nm, 10 ns, 10 Hz 2 J/cm2 @ 1064 nm, 8 ns >5 J/cm2 @ 1064 nm, 10 ns, 10 Hz
Wavelength
Range (nm)
l/4
Stock No.
l/2
Stock No. Price l/4
Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) Waveplates
• Ideal for Applications in the 3 - 9 μm Range
• λ/4 and λ/2 Retardance
• Mounted for Easy Alignment and System
Integration
Our zero order Mid-Wave Infrared (MWIR) and Long-
Wave Infrared (LWIR) Waveplates are designed for
applications in the 3 - 9 μm wavelength range. When
compared to multiple order waveplates, zero order
waveplates provide increased bandwidth and lower
sensitivity to temperature change. These waveplates
are available with λ/4 or λ/2 retardance in a range
of wavelengths, offer efficient retardation over broad
spectral ranges, and are ideal for a variety of infrared
(IR) applications. Each MWIR and LWIR waveplate is
anti-reflection coated, and has been mounted to ease
system integration.
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• Multiple Wavelength Ranges Available
• Flat Response Over Each Broad Spectral Range
• λ/4 and λ/2 Retardance
• Mounted in Black Anodized Aluminium Housing
Unlike standard waveplates, Achromatic Waveplates (Retarders) provide a constant phase shift independent of
the wavelength of light that is used. This wavelength independence is achieved by using two different birefringent
crystalline materials. The relative shifts in retardation over the wavelength range are balanced between
the two materials used. The flat response of an Achromatic Waveplate (Retarder) is ideal for use with tunable
lasers, multiple laser line systems, and other broad spectrum sources.
Designed to be used at an angle of incidence of 0°, changes of ±3° will yield less than 1% change in retardance.
The 11,5 mm clear aperture waveplates feature an air spaced construction; the 23 mm clear aperture
waveplates are cemented. All Achromatic Waveplates (Retarders) are mounted in an anodized aluminum housing
with the fast axis clearly indicated.
Substrate: Crystal Quartz and MgF2
Dimensional Tolerance (mm): +0,00/-0,25
Retardation Tolerance: λ/100
Wavefront Distortion: λ/4 @ 632,8 nm
AR Coating: Ravg <1% per surface
Configuration: Air Spaced
Diameter (mm): 25,40
Parallelism (arcmin): 3
Clear Aperture (mm): 10,0
Construction: Crystalline
Retardance Order: 0
Stock No.
l/2
Stock No. Price l/4
Stock No.
l/2
Stock No. Price l/4
Stock No.
l/2
Stock No. Price l/4
Stock No.
l/2
Stock No. Price
340 - 560 #39-024 #39-025 €740,00 N/A N/A – #39-026 #39-027 €960,00 N/A N/A – #39-028** #39-029 €3.000,00
450 - 650 #39-030 #39-031 €740,00 N/A N/A – #39-032 #39-033 €960,00 N/A N/A – #39-034 #39-035 €3.000,00
465 - 610 N/A N/A – #46-558 #46-559 €829,00 N/A N/A – #48-497 #48-498 €899,00 N/A N/A –
550 - 750 #39-036 #39-037 €740,00 N/A N/A – #39-038 #39-039 €960,00 N/A N/A – #39-040 #39-041 €3.000,00
610 - 850 N/A N/A - #63-935 #63-936 €829,00 N/A N/A – #65-919 #65-920 €899,00 N/A N/A –
650 - 1100 #39-042 #39-043 €740,00 N/A N/A – #39-044 #39-045 €960,00 N/A N/A – #39-046 #39-047 €3.000,00
700 - 1000 N/A N/A – #46-560 #46-561* €829,00 N/A N/A – #48-499 #48-500 €899,00 N/A N/A –
900 - 2100 #39-048 #39-049 €740,00 N/A N/A – #39-050 #39-051 €960,00 N/A N/A – #39-052 #39-053 €3.000,00
1200 - 1650 N/A N/A – #46-562 #46-563* €829,00 N/A N/A - #48-501 #48-502 €899,00 N/A N/A –
Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) Waveplates
MWIR/LWIR DWL (nm) Retardance Retardance
Tolerance (@20˚C)
Transmitted Wavefront
(P-V) @ 632,8 nm
Mount Thickness
(mm) Substrate Stock No. Price
MWIR 3000 l/2 l/100 <l/8 6,0 MgF2 #85-117 €865,00
MWIR 3000 l/4 l/100 <l/8 6,0 MgF2 #85-110 €865,00
MWIR 4000 l/2 l/100 <l/8 6,0 MgF2 #85-118 €780,00
MWIR 4000 l/4 l/100 <l/8 6,0 MgF2 #85-111 €780,00
MWIR 5000 l/2 l/100 <l/8 6,0 MgF2 #85-119 €780,00
MWIR 5000 l/4 l/100 <l/8 6,0 MgF2 #85-112 €780,00
MWIR 6000 l/2 l/100 <l/8 6,0 MgF2 #85-120 €950,00
MWIR 6000 l/4 l/100 <l/8 6,0 MgF2 #85-113 €950,00
MWIR 7000 l/2 l/100 <l/8 6,0 MgF2 #85-121 €780,00
MWIR 7000 l/4 l/100 <l/8 6,0 MgF2 #85-114 €780,00
LWIR 8000 l/2 l/40 <l/4 8,0 Cadmium Thiogallate #85-122 €2.280,00
LWIR 8000 l/4 l/40 <l/4 8,0 Cadmium Thiogallate #85-115 €2.280,00
LWIR 9000 l/2 l/40 <l/4 8,0 Cadmium Thiogallate #85-123 €2.280,00
LWIR 9000 l/4 l/40 <l/4 8,0 Cadmium Thiogallate #85-116 €2.280,00
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